The Strange Beauty Of Viruses Under The Microscope

 

 

HIV

The Hufftington Post

The human immunodeficiency virus (HIV) is retrovirus that causes infection and over time, Acquired immunodeficiency syndrome (AIDS). Without treatment, average survival is estimated to be 9 to 11 years. In most cases, HIV is a sexually transmitted infection, occuring by contact with or transfer of blood, pre-ejaculate, semen, and vaginal fluids. There are case of non-sexual transmission an infected mother to her infant through breast milk.

Hepatitis A

Netdoctor

Hepatitis A is an infectious disease of the liver. In many cases there are few or no symptoms, especially in the young. Infections usually resolve completely and without ongoing liver disease, but sometimes a transplant is required. The hepatitis A vaccine is effective for prevention. Other preventive measures include hand washing and properly cooking food.