Medically reviewed by Amelia MacIntyre, DO One of the most important characteristics of blood is its type. Knowing your blood ...

While everyone’s blood contains the same basic parts, there are eight different blood types. The type you have depends on genes you inherit from your biological parents. What makes your blood ...

Background Hepatitis B virus (HBV) is a common cause of viral ... to HBsAg testing and also to ascertain likely cause of weakly positive (grayzone) results. Results During the 17 month study ...