Research questions and Population/Infectious
agents/Comparator/Outcome (PICO) elements
- What is the incubation period distribution of SARS-CoV-2 in humans?
- Is there heterogeneity between the reported incubation times amongst
studies?
Population: Confirmed cases of SARS-CoV-2 during the 2019-2020
pandemic
Infectious agent: SARS-CoV-2
Comparator: Host factors such as gender and age
Outcome: Time from exposure to onset of clinical illness as
described by the authors