- Incubation period of 2019 novel coronavirus (2019-nCoV) infections among travellers from Wuhan, China, 20-28 January 2020.

Euro Surveillance papers related to incubation period

- Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus-Infected Pneumonia.

New England Journal of Medicine papers related to incubation period

- Incubation period of 2019 novel coronavirus (2019-nCoV) infections among residents of Beijing, China. 

Journal of Infection papers related to incubation period

- Novel coronavirus infection in children outside of Wuhan, China

Pediatric Pulmonology papers related to Incubation Period of COVID-19 

- Why are some COVID-19 infected people asymptomatic?

Science Mission Reports related to Incubation Period 

- Euro Surveillance
- New England Journal of Medicine
- Journal of Infection
- Pediatric Pulmonology
- Science Mission

University of Michigan - Ann Arbor

State University of New York at Buffalo

The incubation period refers to the time from exposure to an infectious agent until the first sign of symptoms related to disease.
The incubation period for COVID-19 is thought to be 2 to 14 days.

COVID-19 Incubation Period

COVID-19 Incubation Period References

Categorization for COVID-19 Incubation Period

It has been found by researchers that the release of interferons is necessary for the body to activate an immune response on encountering a virus. But on being exposed to the COVID-19 virus, the body doesn't increase the production of interferons as it does with other viral diseases and hence we do not see symptoms until 7-10 days after infection. It has been thought that the SARS-CoV-2 virus may hide its genomic material from being recognised in the alveolar macrophages, thereby not inducing the production of interferons. This allows the virus to spread further in the community before the appearance of symptoms. 

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