Ainsley Otten

Ainsley Otten
Public Health Agency of Canada | PHAC · Branch of Infectious Disease Prevention and Control

Bachelor of Engineering

About

15
Publications
1,607
Reads
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241
Citations
Additional affiliations
July 2008 - October 2015
Public Health Agency of Canada
Position
  • Risk Assessor

Publications

Publications (15)
Article
Full-text available
Background: The coronavirus diseases 2019 (COVID-19) pandemic has presented an unprecedented public health challenge. Prior to vaccination, non-pharmaceutical interventions, including closures, were necessary to help control the epidemic. With the arrival of variants of concern and insufficient population vaccination coverage, ongoing evaluation of...
Article
Full-text available
Public health measures applied exclusively within vulnerable populations have been suggested as an alternative to community-wide interventions to mitigate SARS-CoV-2 transmission. With the population demography and healthcare capacity of Canada as an example, a stochastic age-stratified agent-based model was used to explore the progression of the C...
Article
Full-text available
Background: Shutdowns are enacted when alternative public health measures are insufficient to control the epidemic and the population is largely susceptible. An age-stratified agent-based model was developed to explore the impact of shutdowns to control SARS-CoV-2 transmission in Canada under the assumption that current efforts to control the epid...
Article
Full-text available
Il faudra prendre des mesures continues contre la transmission communautaire du coronavirus du syndrome respiratoire aigu sévère 2 (SRAS-CoV-2) pour prévenir d’autres vagues d’infection. Nous avons exploré les effets des interventions non pharmacologiques sur la transmission projetée du SRAS-CoV-2 au Canada. MÉTHODES: Nous avons créé un modèle de l...
Article
Full-text available
Background: The coronavirus disease 2019 (COVID-19) pandemic began with a detected cluster of pneumonia cases in Wuhan, China in December 2019. Endemic transmission was recognized in Canada in early February 2020, making it urgent for public health stakeholders to have access to robust and reliable tools to support decision-making for epidemic man...
Article
Full-text available
Background: Continual efforts to eliminate community transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) will be needed to prevent additional waves of infection. We explored the impact of nonpharmaceutical interventions on projected SARS-CoV-2 transmission in Canada. Methods: We developed an agestructured agent-based mod...
Article
Full-text available
Vector-borne diseases are expected to be introduced, establish or expand geographically in Canada under climate change. The ability to prioritize diseases is critical because there are limited resources to address all risks and the decision to focus on one or a group of infectious diseases can come at the expense of not addressing others. As a resu...
Article
Full-text available
A number of prion diseases affect humans, including Creutzfeldt–Jakob disease; most of these are due to genetic mutations in the affected individual and occur sporadically, but some result from transmission of prion proteins from external sources. Of the known animal prion diseases, only bovine spongiform encephalopathy prions have been shown to be...
Article
To inform source attribution efforts, a comparative exposure assessment was developed to estimate the relative exposure to Campylobacter, the leading bacterial gastrointestinal disease in Canada, for 13 different transmission routes within Ontario, Canada, during the summer. Exposure was quantified with stochastic models at the population level, wh...
Article
Quantitative Microbial Risk Assessment (QMRA) is an important tool for the characterization of complex exposure pathways that contribute to adverse human and animal health outcomes. Campylobacter spp. contamination in the broiler chicken farm-to-fork continuum has been the focus of many QMRA models, including those, such as Consumer Process Models...
Article
Participating researchers and public health personnel at a Canadian workshop in 2007, noted considerable gaps in current understanding of community-associated Clostridium difficile infection (CA-CDI), specifically infection sources and risk factors. A disease transmission model for CA-CDI was requested as an initial step towards a risk assessment,...

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