Viruses are a class of tiny and deadly infectious agents that are distinct from other types of germs such as bacteria. Because viruses are not composed of cells like other organisms, they are not even considered to be alive by many scientists....
The human immunodeficiency virus, or HIV, causes AIDS, a disease for which there is no cure. The virus is sexually transmitted, but is also spread during pregnancy, breastfeeding or having contact with infected blood. HIV attacks the immune...
HIV damages the body's immune system and makes it susceptible to infections and certain types of cancers. A single HIV viral particle is called virion. The viron is surrounded by the viral envelope which contains the proteins gp120 and gp41. The...
Herpes, according to a 2009 article in the journal "Antiviral Therapy," is a family of viruses that includes herpes simplex-1, herpes simplex-2, varicella zoster (shingles), herpes B, Epstein-Barr and other viruses. The viruses share several...
The common cold is a prevalent illness that is experienced at one time or another by the majority of the population. Cold symptoms can take a toll on both physical health and economic productivity. Zinc lozenges have been studied as a treatment...
The term "probiotics" has become popular in recent years, with yogurt companies advertising probiotics in their products and the benefits they provide. According to advertisements, these live micro-organisms benefit intestinal health. Use of...
