300
Patients are only infectious when they exhibit symptons. First symptoms are the sudden onset of fever fatigue, muscle pain, headache and sore throat. This is followed by vomiting, diarrhoea, rash, symptoms of impaired kidney and liver function, and in some cases, both internal and external bleeding. The incubation period, or the time interval from infection with the virus to onset of symptoms is this long...
What is 2 to 21 days?