Name a type of virus that is small and if into the body, the immune system of disease resistance was broken and the body will not be able to resist diseases. It fell sick with the disease.
Virus type one, which is very small. And if the body will make antibodies, we lost. The body will not be able to resist diseases. So ill with the disease.
Buy a virus which is very small. And if in the body, it will make our immunity lost. And the body will not be able to resist diseases. So ill with the disease.