Can i catch covid twice?
It can not be assumed that if you had covid positive then you are safe from it in future.Its widely believed that your previous infection may prevent you from getting sick but that doesn’t necessarily mean that you can not become infected and spread it to others.You might think you are safe because your antibodies are there but you are still able to spread it to others for a short period of time. Covid-19 affects different people in different ways.Mostly people will develop mind symptoms and recover without hospitalization. Common symptoms fever dry cough tiredness Less common symptom sore throat body ache loss of taste or smell skin rash headache The immune system fights off foreign pathogens , such as viruses and bacteria. Specialized immune cells, called B-lymphocytes identify antigens on the surface of invading cells. When a B cell detects a new antigen , it causes the production of proteins , called antibodies, that bind to antigens.Once an antibody locks onto an ant...
Comments
Post a Comment