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Introduction
Professor Al-Haddad is currently Professor of Microbiology and Medical Microbiology at College of Medicine and Health Sciences, Hadhramout University-Yemen. He is the Founding-Dean of the first Faculty of Nursing in Yemen. He has over twenty years of research and teaching experience in various domains of life sciences.
Al-Haddad has published more than 60 peer reviewed articles and conference papers in the areas of molecular biology, microbiology and antibiotics in National and International journals. He is reviewer in different national and international Scientific Journals and a member of various national and international scientific organizations.
Current institution
Additional affiliations
College of Medicine and Health Sciences, Hadhramout University
Position
- Professor (Full)
December 2016 - September 2019
College of Medicine and Health Sciences, Hadhramout University
Position
- Head of Department
November 2013 - September 2014
College of Medicine and Health Sciences, Hadhramout University
Position
- Head of Department
Education
September 1996 - September 1999
September 1990 - September 1996
Publications
Publications (70)
Background
Dengue fever (DF) is a mosquito-borne viral infection that has recently become a burden worldwide, particularly in low-income countries, such as Yemen. There have been no epidemiological studies on DF in recent years in Yemen. Therefore, based on secondary data, this study aimed to shed light on the epidemiology of DF in Yemen between 20...
Background: A common issue during pregnancy is anemia, which is defined as a decline in the blood's ability to carry oxygen, mainly as a result of lower hemoglobin levels. There are two possible types of declines: absolute and relative. It is well known that the most prevalent nutritional condition is iron deficiency. Objective: In order to ascerta...
Background: a common issue during pregnancy, which is defined as a decline in the ability of the blood to carry oxygen, mainly as a result of lower hemoglobin levels. There are two possible types of declines: absolute and relative. Iron deficiency is well known that the most common nutritional condition.
Objective: To ascertain the prevalence of an...
Dengue fever (DF) is a mosquito-borne viral infection that has recently become a burden worldwide, particularly in low-income countries, such as Yemen. There have been no epidemiological studies on dengue fever in recent years in Yemen. Therefore, based on secondary data, this study aimed to shed light on the epidemiology of dengue fever in Yemen b...
Copyright©2024; The Author(s): This is an open-access article distributed under the terms of the CC BY-NC 4.0 which permits unrestricted use, distribution, and reproduction in any medium for non-commercial use provided the original author and source are credited Abstract ______________________________________________________________________________...
Copyright©2024; The Author(s): This is an open-access article distributed under the terms of the CC BY-NC 4.0 which permits unrestricted use, distribution, and reproduction in any medium for non-commercial use provided the original author and source are credited Abstract ______________________________________________________________________________...
Background
Coronavirus disease (COVID-19) is a contagious illness that is caused by the SARS-CoV-2 virus and is responsible for a multitude of lung diseases across the globe. Data on the COVID-19 outbreak in southern part of Yemen country are lacking.
Objectives
This study aimed to describe the COVID-19 outbreak in southern Yemen between April 202...
Introduction: Streptococcus pneumoniae cause a significant global health challenge. We aimed to determine nasopharyngeal carriage, serotypes distribution, and antimicrobial profile of pneumococci among the children of Aden. Methodology: A total of 385 children, aged 2-17 years, were included. Asymptomatic samples were randomly collected from childr...
Campylobacter jejuni (C. jejuni) infections among children have become an alarming challenge for
developed and developing countries. This narrative review highlights the concerning situation of
Campylobacteriosis and its antimicrobial resistance among Middle Eastern children. The review targeted
studies on Campylobacter infections in the Middle Eas...
Back Ground and Aims: A wide variety of microorganisms, including bacteria, viruses, fungus, archaea, and protozoa, are present in the oral cavity. With the exception of study on oral illnesses brought on by fungal species like candidiasis, the majority of dental biofilm studies have concentrated on bacteria and paid less attention to fungi. On the...
Aim and Objective: With the emergence of organisms such as Enterobacteriaceae that produce extended-spectrum β-lactamase (ESBL), which are resistant to multiple medications (multidrug-resistance), concerns about how best to treat infections have significantly increased. The current study examined the molecular features of ESBL in clinical isolates...
Introduction and Aim: Dermatophyton fungi are a group of fungi that can attack the keratinous tissues of humans and animals such as hair, nails, and skin. Dermatophytons are skin fungi, and include three genera: Trichophyton,
Microsporium and Epidermophyton. The present study is aimed to diagnose and isolate dermatophytes from primary school childr...
Acute Otitis Media (AOM) becomes a challenge, especially in resource-constrained countries, because it is commonly associated with bacteria that have multiple drug resistance. This study aimed to identify bacterial agents of AOM and determine their antimicrobial patterns. Methods: Hundred ear swabs were collected from patients who attended the outp...
Bacterial conjunctivitis is one of the most commonly encountered eye complications in medicine, particularly in developing nations. In Hadhramout Governorate-Yemen, there is no data about bacterial conjunctivitis among patients. The present study aimed to determine the prevalence rate of bacterial conjunctivitis among patients seeking hospitals in...
Cite this article as: Gubran A, Al-Moyed K, Al-Haddad A, Ageel A. Intra-Household Transmission of Hepatitis B Virus in Rasd, Abyan-Yemen. Libyan Journal of Medical and Applied Sciences (LJMAS). 2023;1(1):50-58. Abstract: Transmission of HBV within household contacts is considered a phenomenon. This study aimed to determine the prevalence of HBV inf...
Background: Bacterial conjunctivitis is one of the most commonly encountered eye complications in medicine, particularly in developing nations. In Hadhramout Governorate-Yemen, there is no data about bacterial conjunctivitis among patients. Aim: The present study aimed to determine the prevalence rate of bacterial conjunctivitis among patients seek...
ABSTRACT
Aim: High rates of morbidity and mortality are associated to bacterial bloodstream infections (B-BSI) in many hospitals, especially in the intensive care unit. This study investigated the prevalence of antibiotic- and multidrug-resistant bacteria isolated from blood samples of patients in intensive care units of university hospitals in the...
Background and objectives: Food handlers are crucial in the spread of food-borne illnesses, which are a serious global public health concern. This study looked at the incidence of intestinal protozoa and parasites in food handlers in Ibb City, Yemen, as well as risk factors for infection.
Subjects and methods: Three hundred and fifteen food handler...
Background: Lactic acid bacteria serve as important human probiotics, as they can produce bacteriocins
from different dairy sources, and the antimicrobial activity of their bacteriocins have been documented
in the scientific field. This study aimed to assess the antimicrobial activities of Lactobacillus acidophilus
bacteriocin obtained from differe...
Background and objectives: Cutaneous wounds are a common symptom in human medical practice. Understanding the physiology of the wound healing process and using the right therapeutic intervention are necessary for managing the existing healing in wound patients. Infection can cause wounds to take longer to heal, cosmetic surgery outcomes to be less...
ABSTRACT
Background and objectives: The prevalence of intestinal parasite infection, which can range between 18% and 90%, is one of the most frequently reported diseases in Yemen and poses a serious health issue for schoolchildren. In Thala’a District, Amran Governorate, Yemen, the study's main goal was to ascertain the prevalence of intestinal par...
Purpose of Review
Despite the available pneumococcal conjugate vaccination (PCV), children in developing countries suffer significant morbidity and mortality from pneumococcal illness. This review outlines the pneumococcal carriage rate, common serotypes, antibiotic resistance, and PCV coverage among western Asian children.
Recent Findings
The car...
ABSTRACT
Background and objectives: Food borne diseases are a global public health problem and food handlers play a major role for the transmission of food borne diseases. This study was aimed at exploring the prevalence of intestinal parasites, Salmonella typhi carrier rate and risk factors of infection with typhoid and/or intestinal parasites amo...
Background: Hepatitis A virus (HAV) infection is the most common cause of acute viral hepatitis, with approximately 1.5 million cases reported globally each year. Objectives: The purpose of this study was to determine the incidence rate of HAV infection, socioeconomic indicators and risk factors in children of primary schools, Hodeidah, Yemen. Meth...
Background: Hepatitis A virus (HAV) infection is the most common cause of acute viral hepatitis, with approximately 1.5 million cases reported globally each year. Objectives: The purpose of this study was to determine the incidence rate of HAV infection, socioeconomic indicators and risk factors in children of primary schools, Hodeidah, Yemen. Meth...
Background and Aims: Visceral leishmaniasis (VL) is zoonotic and human illness produced by Leishmania species. Protozoan parasite is spread to the host vertebrate via sand fly female bite (Phlebotomus longipalpis), in which the infected promastigotes convert into amastigotes; and VL is associated with high fatality if left untreated. The aims of th...
ABSTRACT
Background and aims: Tuberculosis (TB) is a critical problem of public health. Diagnosis and screening of latent Mycobacterium tuberculosis infections (LTBI) are essential to control their spread. The goal of the study was to clarify the prevalence and risk factors for LTBI using IGRA among healthcare works (HCWs) in Sana’a city, Yemen. Me...
ABSTRACT
Background and aims: Systemic lupus erythematosus (SLE) is an autoimmune chronic inflammatory disease with damage to many organs due to the production of auto-antibodies, including auto-antibodies to renal antigen, vascular tissue antigens, brain antigens, ribosomes, nuclear antigens, and phospholipids. This study was conducted to determin...
Background and objective: Antenatal care (ANC) is a health care intervention designed to ensure the safety of pregnancy for the mother and fetus. This system recommends a minimum of four preconception care visits for a healthy pregnancy, according to the
World Health Organization. It is not known whether this recommended number of visits was follow...
Background: Cholera, caused by Vibrio cholerae O1 or O139 serotypes, is one of the most important healthcare associated infections (HAI) among patients in Yemen.
Aim: This study aimed to determine the risk factors associated with cholera outbreaks, clinical presentations, and antibiotic susceptibility of the V. cholerae strains isolated among inpat...
Background and objectives: Vulvovaginal candidiasis is known to be a global issue of concern due to its association with economic costs, sexually transmitted diseases, and the escalation of genital tract infections. This study aimed to determine the prevalence, species distribution and risk factors associated with Candida species causing vulvovagin...
Background: Hepatic jaundice results from abnormal metabolism of bilirubin in the liver. The main hepatic jaundice causes are severe damage to hepatocytes due to autoimmune diseases, infectious diseases, drugs/ medication induced, or, less commonly, hereditary genetic diseases. Aim: The aim of this study is to determine the prevalence of hepatitis...
Background and Objectives: The prevalence of Helicobacter pylori infection is most common worldwide, and the seroprevalence of H. pylori infection varies greatly among societies and geographical locations. This study aimed to determine the seroprevalence of H. pylori infection among dyspepsia patients in Al-Mukalla city– Hadhramout/Yemen. Methods:...
Objectives: Staphylococcus aureus is an opportunist that causes systemic infections and dental infections in the human being body. This organism increases its resistance to many categories of antibiotics all day and turn out to be more resistant, and this led to a growing feeling of concern in this era. Given this fact, the aims of this study were...
Water treatment systems are a vital factor in dialysis therapy and precise control of hemodialysis water bacteriological quality is predominantly important in order to assurance a better quality of life of the hemodialysis patients. The purpose of this study was to detect the level of contamination in hemodialysis water and dialysate by bacteria in...
The global epidemic of hepatitis B is a significant public health problem. The endemicity of HBV infection used to be believed high in Yemen. Data for the prevalence of HBsAg among children in rural and urban areas in Yemen is scarce and incompetent. The study was made to determine prevalence of HB surface antigen among children in 2 selected areas...
Background: In spite of advances in the field of assisted reproductive techniques including in-vitro fertilization (IVF) and intra-cytoplasmic sperm injection (ICSI), the pregnancy rate remained low. One of the major events in fertility is implantation process. One of the most important negative factors affecting implantation and pregnancy outcome...
Lactobacillus bulgaricus S2 was widely used in fermentation and preservation of food and it was assayed on their fungal inhibitory properties. The aim of this study was to isolate lactic acid bacteria from different habitats and screen these isolates against some mycotoxigenic fungi. The effect of lactic acid bacteria (LAB) on growth of a mycotoxin...
The majority of the Yemeni honey varieties are characterized by low moisture content, in addition to the various flora of Yemeni plant, which may not be found in many countries, which makes them of high medicinal importance and high monetary value. This study was carried out the effect of three types of Hadhrami honey: Somur, Sidr (Baghya) and Meri...
Bacterial vaginosis (BV) is a common cause of abnormal or altered vaginal discharge in women of childbearing age. Its association is with obstetric and gynecologic complications. The aim of this study was to examine the prevalence of BV among pregnant women in Hadhramout-Yemen. The diagnosis of BV is usually based on clinical criteria including hom...
Background and objectives: Khat chewing is popular among Yemenis. This study was performed to investigate the effects of Khat chewing on periodontal tissue (gum), teeth status and other oral health status. Methods: A total of 3000 adult subjects (2400 chewers and 600 non-chewers with a mean age of 29.5 ± 2.9 and 28.6 ± 1.7 years, respectively) were...
In this study, the soil samples were collected from four different mountain sites of
Hadhramout governorate in Yemen to investigate the diversity of actinomycetes. Soil
samples were analyzed for physicochemical characteristics (temperature, pH and nature of
the soil samples). Site soil color varied from brown to light brown and dark brown,
temperat...
Background: Pseudomonas aeruginosa (P. aeruginosa) is the most common microorganism, which isolated from hospitalized patients for longer than one week. It is a frequent cause of nosocomial infections such as pneumonia, urinary tract infections, and bacteremia. Traditionally, P. aeruginosa has been typed based on its phenotypic characteristics, suc...
The present study aims to characterize Pseudomonas aeruginosa isolates in three hospitals in Hadhramout, Yemen. Two hundred samples were collected from patients, health workers staff hands and environmental samples and P. aeruginosa isolates were typed using antibiotyping and ERIC-PCR. The results showed that eleven yielded ERIC genetic patterns (P...
Background: Adenoviruses, particularly enteric adenoviruses (EAd) can cause acute and severe diarrhea in young children worldwide. This study was conducted to determine the prevalence of enteric adenoviruses among infants and children suffering from acute gastroenteritis in Sana'a city and to determine the predisposing factors contributing for the...
Background: Diabetes Mellitus (DM) is a major public health in Yemen. The aim of this study was to evaluate the knowledge, attitude and practices of diabetic patients before and after implementation of a diabetes intervention program. Subjects and methods: The study carried out in Mukalla City Yemen. Total of (111) persons were interviewed, using a...
Hepatitis B is still a serious global infectious disease that remains a high risk for patients requiring blood transfusions, despite the introduction of appropriate methods for diagnosis of the causative virus in blood banks, thus this cross-sectional study aimed to estimate anti-HBc (IgM and IgG) antibodies in blood donors who were HBsAg negative,...
Diabetes mellitus is a progressive disease with chronic complications. Foot infections are a frequent complication for diabetic patients. The infection with Staphylococcus aureus in the diabetic foot accelerate the inflammatory process, endothelial injury and blood coagulation, ultimately lead to a faster death. The aim of this study was, firstly t...
Brucellosis is considered as one of the most important zoonosis in Arabia Peninsula with high risk of contracting the disease among animal livestock owners and direct animal contact individuals. In 2009 this study was carried out among general population in Al-Dala'a governorate, to assess the sero-prevalence of brucellosis among general people and...
Background: Tuberculosis (TB) is still a major global public health problem worldwide. The global prevalence of Mycobacterium (M tuberculosis) infection has been estimated in 32% of the world population with more than 8 million new cases diagnosed each year. Materials and Methods: A total of 192 M tuberculosis complex isolates were collected from p...
Background: Helicobacter pylori (Hp), a common bacterial infection linked to disorders of the gastrointestinal tract, are found in half of the world population. In developing countries, Hp infection is a public-health issue (1). It is one of the world’s most common human bacterial infections and associated with chronic gastritis, peptic ulceration...
Background: Tuberculosis (TB) is still a major global public health problem worldwide. The global prevalence of Mycobacterium (M tuberculosis) infection has been estimated in 32% of the world population with more than 8 million new cases diagnosed each year.
Objective: To estimate drug resistance among previously treated tuberculosis patients, focu...
Tuberculosis remains a major public health problem world-wide. There is a need for rapid, sensitive and accurate detection of these organisms in clinical specimens to hasten the administration of appropriate antimycobacterial therapy and prevent the spread of infection in the community.
The present study aimed to evaluate the performance of BACTEC...
Staphylococcus lugdunensis (S. lugdunensis) has gained recognition as an atypically virulent pathogen with a unique microbiological and clinical profile S. lugdunensis is coagulase negative due to the lack of secreted coagulase production, but a membrane-bound form of the enzyme present in some isolates can result in misidentification of the organi...
Introduction and objective: There is a list of the co-existing diseases associated with pulmonary tuberculosis. Those coexisting diseases vary from a study to another. This study was performed to determine the main co-existing diseases of pulmonary tuberculosis who attended the National Tuberculosis Institute in Sana'a city, Yemen. Materials and me...
Background: Urinary tract infection (UTI) is an aggravating and common problem in human at sometimes during their life and may give more complications.
Objective: To project antimicrobial resistance in patients with UTI as a wide problem among cases referred to the National Center of Public Health Laboratories in Ibn-Sina Teaching Hospital in Al-Mu...
Six hundred children from urban and rural regions of Hadhramout governorate were examined targeted for the detection of intestinal parasites during the year 2009. The main infective parasites prevailed in children were Gardia lamblia (19.17%), Entamoeba histolytica (16.83%), Ascaris lumbricoides (15.83%), Trichuris trichiura (2.33%), Hymenolepis na...
Background Preparation for marriage has become a popular intervention for many individuals planning to marry. Aim: To explore and compare the knowledge and attitude about premarital counseling among Hadhramout University Students. Subjects & Methods: A comparative descriptive design was used on 400 students (males & females) from Hadhramout Univers...
Objectives: This study aims to determine the prevalence rate of the mecA gene in clinical isolates of Staphylococcus aureus and compared the conventional methods for the detection of MRSA with PCR for the mecA gene.
Materials and Methods: In order to confirm the presence of these bacteria in the laboratory, the clinical specimens were cultured on b...
Malaria remains one of the most serious public health problems in many parts of the world,it is the major public health problem in Yemen. A cross-sectional study. The study was conducted in AI_Mukilla child and Maternity Health hospital, all children presented from Wadi Hajer, Hadhramout Yemen since January 2005 to June 2006 were included in the st...
Background: To identify intestinal parasites among restaurant workers in Mukalla, Yemen in 2007. Methods: Stool specimens were collected and examined from a total of 500 restaurant workers at Hadhramout University Health Center .Three types of techniques were used: direct examination, saline sedimentation and formol-ether concentration. Results: Th...
Irrational use of antimicrobial agents often leads to the multi-drug resistance microorganisms. This study is aimed at investigating the prevalence of microbial resistance to different antibiotics in Ibn Sina General Teaching Hospital in Al-Mukalla, Yemen during the period from January to December 2001. Susceptibility among the isolated bacteria to...
Statement of problem: Dental caries are considered as one of the most common health problems and have been shown to be more prevalent in children. Purpose: The aim of this cross-sectional study was to determine the distribution of dental caries among 400 twelve-year-old schoolchildren, in the Al-Mukalla area in Yemen. Materials and Methods: Multist...
Urinary tract infection (UTI) is a common problem in pregnant woman. This study examined the frequency of UTI in 137 pregnant women attending Al Mukalla maternity hospital from January to June 2002. Urine samples were examined for UTI microscopically and by culture, and sensitivity tests were done for the organisms isolated using a range of antibio...
This is a descriptive study performed in Ibn Sina Central Teaching Hospital (ISCTH) in Al-Mukalla city – Yemen for screening on different serological tests such as antistreptolysin O (ASO) titer, C-reactive protein (CRP), and Widal test through the year 2001.
The results show that from the total of 1241 tests, only 230 (18.53%) were positive. Regar...
Ear infection is a common health problem among patients attending Primary Health Care Clinic and otitis media is the most common of those diseases. Aim: the aim of this study is to determine the ear infection among randomly selected people in Al-Mukalla city – Yemen. Methodology: this prospective study is performed from February to April 2002 on 30...
To appraise the proper times of sperm motility improvement after completion of some antibiotic courses. A total of 50 subfertile ejaculate with asthenozoospermia and pyosemia were cultured with aerobic and anaerobic culture media. 40 ejaculates have positive culture growth. Culture positive patients were treated with their proper sensitive antibiot...
We established a light microscopy-based assay that reconstitutes the binding of phagosomes purified from mouse macrophages to preassembled F-actin in vitro. Both endogenous myosin Va from mouse macrophages and exogenous myosin Va from chicken brain stimulated the phagosome–F-actin interaction. Myosin Va association with phagosomes correlated with t...
