Answer:
1.According to WHO,the current incubation period of covid-19 ranges from 1-12.5 days.Based on what we know about the coronavirus disease,such as MERS and SARS,their incubation period reaches up to 14 days.
2.Most common symptoms is:
fever
dry cough
tiredness
3.Clean your hands often.Cough or sneeze in your bent below etc.
4.
5.Keeping hands clean is one often most important step we can take to avoid spreading sick and germs to others.
