Will Chinese prefix overseas companies check hepatitis B when they are sent to work in Africa?

Chinese prefix overseas companies will check hepatitis B when they are sent to work in Africa. According to the headline search query, I learned that I went out to check hepatitis B. The basic check-up for migrant workers is the following three items:

1, check whether there are infectious diseases, such as hepatitis B patients and tuberculosis. ;

2. Check whether there are major visceral diseases, such as heart bypass and liver transplantation;

3, check whether there are sexually transmitted diseases or AIDS. Hepatitis B, namely viral hepatitis B, is an infectious disease caused by hepatitis B virus infection, mainly through blood and body fluids. Clinically, it is mainly manifested as inflammatory changes in the liver.