COVID-19 symptoms are nonspecific and their severity can vary. The disease can run its course without symptoms of illness, but infection can also include severe pneumonia, and for people in risk groups, in worst case, the illness can end in death.
For most people infected with the coronavirus, the illness runs its course without complications and they get well. It is important to point out that the virus risk group includes the elderly and people with chronic diseases, who exhibit the severe forms of the disease more frequently.
The most common symptoms include:
- fever (89,9%),
- dry cough (67,7%),
- fatigue (38,1%),
- mucus (33,4%),
- difficulty breathing (18,6%),
- sore throat (13,9%),
- headache (13,6%),
- muscle and joint pain (14,8%),
- cramps (11,4%),
- nausea and vomiting (5,0%),
- congested nose (4,8%),
- diarrhea (3,7%),
- coughing blood (0,9%),
- irritated conjunctiva (0,8%).
According to the information known today, the symptoms of COVID-19 are similar to flu symptoms.
Droplet infection is the main mode of transmission, the virus spreads mainly through close contact with a person who has symptoms characteristic to the infection, especially cough.
The incubation period of the virus is about 2-14 days, with an average of 5 days.
Proper hand hygiene is one of the most important preventive measures of coronavirus infections.