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Table 4 Incubation period of coronaviruses

From: COVID-19 pandemic crisis—a complete outline of SARS-CoV-2

Coronavirus strain

Incubation period

Death period



4–10 days

20–25 days

Fever, dry cough, myalgia, dyspnea, headache, sore throat, sputum production, rhinorrhea, watery diarrhea, confusion, poor appetite.


5–6 days

11–13 days

Myalgia, fever, chills, malaise associated with confusion, cough, shortness of breath, dyspnea, pneumonia


3–7 days

17–24 days

Fever, cough, dyspnea, muscle ache, confusion, headache, sore throat, rhinorrhea, chest pain, diarrhea, nausea, vomiting, anosmia, dysgeusia

  1. On the basis of studies conducted and data findings, virologists points out that incubation period extends to 14 days, with a median time of 4–5 days from exposure to symptom onset. One study reported that 97.5% of persons with COVID-19 who develop symptoms will do so within 11.5 days of SARS-CoV-2 infection