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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 Symptoms
SARS-CoV 4–10 days 20–25 days Fever, dry cough, myalgia, dyspnea, headache, sore throat, sputum production, rhinorrhea, watery diarrhea, confusion, poor appetite.
MERS-CoV 5–6 days 11–13 days Myalgia, fever, chills, malaise associated with confusion, cough, shortness of breath, dyspnea, pneumonia
COVID-19 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