User profiles for David Champredon
David ChampredonPublic Health Agency of Canada Verified email at canada.ca Cited by 1265 |
Reconciling early-outbreak estimates of the basic reproductive number and its uncertainty: framework and applications to the novel coronavirus (SARS-CoV-2) …
…, BM Bolker, D Champredon… - Journal of the …, 2020 - royalsocietypublishing.org
A novel coronavirus (SARS-CoV-2) emerged as a global threat in December 2019. As the
epidemic progresses, disease modellers continue to focus on estimating the basic …
epidemic progresses, disease modellers continue to focus on estimating the basic …
Equivalence of the Erlang-distributed SEIR epidemic model and the renewal equation
Most compartmental epidemic models can be represented using the renewal equation. The
value of the renewal equation is not widely appreciated in the epidemiological modelling …
value of the renewal equation is not widely appreciated in the epidemiological modelling …
[HTML][HTML] A wastewater-based epidemic model for SARS-CoV-2 with application to three Canadian cities
…, X Pang, BE Lee, R Stuart, S Wijayasri, D Champredon - Epidemics, 2022 - Elsevier
The COVID-19 pandemic has stimulated wastewater-based surveillance, allowing public
health to track the epidemic by monitoring the concentration of the genetic fingerprints of SARS-…
health to track the epidemic by monitoring the concentration of the genetic fingerprints of SARS-…
Temporal estimates of case-fatality rate for COVID-19 outbreaks in Canada and the United States
BACKGROUND: Estimates of the case-fatality rate (CFR) associated with coronavirus disease
2019 (COVID-19) vary widely in different population settings. We sought to estimate and …
2019 (COVID-19) vary widely in different population settings. We sought to estimate and …
Forward-looking serial intervals correctly link epidemic growth to reproduction numbers
The reproduction number R and the growth rate r are critical epidemiological quantities.
They are linked by generation intervals, the time between infection and onward transmission. …
They are linked by generation intervals, the time between infection and onward transmission. …
Intrinsic and realized generation intervals in infectious-disease transmission
D Champredon, J Dushoff - Proceedings of the Royal …, 2015 - royalsocietypublishing.org
The generation interval is the interval between the time when an individual is infected by an
infector and the time when this infector was infected. Its distribution underpins estimates of …
infector and the time when this infector was infected. Its distribution underpins estimates of …
A practical generation-interval-based approach to inferring the strength of epidemics from their speed
Infectious disease outbreaks are often characterized by the reproduction number R and
exponential rate of growth r. R provides information about outbreak control and predicted final …
exponential rate of growth r. R provides information about outbreak control and predicted final …
Statistical power and validity of Ebola vaccine trials in Sierra Leone: a simulation study of trial design and analysis
…, CAB Pearson, D Champredon… - The Lancet infectious …, 2015 - thelancet.com
Background Safe and effective vaccines could help to end the ongoing Ebola virus disease
epidemic in parts of west Africa, and mitigate future outbreaks of the virus. We assess the …
epidemic in parts of west Africa, and mitigate future outbreaks of the virus. We assess the …
Age-dependence of healthcare interventions for COVID-19 in Ontario, Canada
Background Patient age is one of the most salient clinical indicators of risk from COVID-19.
Age-specific distributions of known SARS-CoV-2 infections and COVID-19-related deaths are …
Age-specific distributions of known SARS-CoV-2 infections and COVID-19-related deaths are …
Inferring generation-interval distributions from contact-tracing data
SW Park, D Champredon… - Journal of the Royal …, 2020 - royalsocietypublishing.org
Generation intervals, defined as the time between when an individual is infected and when
that individual infects another person, link two key quantities that describe an epidemic: the …
that individual infects another person, link two key quantities that describe an epidemic: the …