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2. Basic reproduction number - Wikipedia

   en.wikipedia.org/wiki/Basic_reproduction_number

   is the average number of people infected from one other person. For example, Ebola has an of two, so on average, a person who has Ebola will pass it on to two other people.. In epidemiology, the basic reproduction number, or basic reproductive number (sometimes called basic reproduction ratio or basic reproductive rate), denoted (pronounced R nought or R zero), [1] of an infection is the ...

3. John M. Last - Wikipedia

   en.wikipedia.org/wiki/John_M._Last

   John Murray Last OC (September 22, 1926 - September 11, 2019) was a preeminent Canadian public health scholar, prolific author, scientist and teacher whose reference texts are used by schools of public health as well as community medicine and epidemiology practitioners throughout the world.

4. Epidemiology - Wikipedia

   en.wikipedia.org/wiki/Epidemiology

   The term epidemiology is now widely applied to cover the description and causation of not only epidemic, infectious disease, but of disease in general, including related conditions. Some examples of topics examined through epidemiology include as high blood pressure, mental illness and obesity. Therefore, this epidemiology is based upon how the ...

5. Mathematical modelling of infectious diseases - Wikipedia

   en.wikipedia.org/wiki/Mathematical_modelling_of...

   Models use basic assumptions or collected statistics along with mathematics to find parameters for various infectious diseases and use those parameters to calculate the effects of different interventions, like mass vaccination programs. The modelling can help decide which intervention(s) to avoid and which to trial, or can predict future growth ...

6. Leon S. Robertson - Wikipedia

   en.wikipedia.org/wiki/Leon_S._Robertson

   Leon S. Robertson (born 1936) is a retired injury epidemiologist.. From 1978 to 1998, Robertson occupied various positions in the Institution for Social and Policy Studies and the Department of Epidemiology and Public Health at Yale University.

7. Incidence (epidemiology) - Wikipedia

   en.wikipedia.org/wiki/Incidence_(epidemiology)

   [citation needed] In this calculation: At 5 yrs you found 20 new cases, so you assume they developed HIV at 2.5 years, thus contributing (20 * 2.5) = 50 person-years of disease-free life. At 10 years you found 30 new cases.

8. Compartmental models in epidemiology - Wikipedia

   en.wikipedia.org/wiki/Compartmental_models_in...

   For the full specification of the model, the arrows should be labeled with the transition rates between compartments. Between S and I, the transition rate is assumed to be (/) / = /, where is the total population, is the average number of contacts per person per time, multiplied by the probability of disease transmission in a contact between a susceptible and an infectious subject, and / is ...

9. Relative risk reduction - Wikipedia

   en.wikipedia.org/wiki/Relative_risk_reduction

   In epidemiology, the relative risk reduction (RRR) or efficacy is the relative decrease in the risk of an adverse event in the exposed group compared to an unexposed group. It is computed as ( I u − I e ) / I u {\displaystyle (I_{u}-I_{e})/I_{u}} , where I e {\displaystyle I_{e}} is the incidence in the exposed group, and I u {\displaystyle I ...