AIDS is an acronym for Acquired Immuno Deficiency Syndrome. This condition is caused by Human Immunodeficiency Virus (HIV). This virus attacks CD4+T cells. These cells are responsible for fighting infections and are a part of immune system and very important for its proper work. So, when the virus attacks the immune system, it becomes unable [...]

Bacteria or viruses are the main causes for infections in the organism. They refer to pathogens and trigger this or that illness in a human body. While viruses are parasites and are harmful for the organism bacteria can not be characterized harmful entirely as some of them are actually useful. It is very important to [...]

Malaria refers to tropical infections that are characteristic to Asian, African and American regions. It is transmitted by an Anopheles mosquito when it first bites an ill person and then a healthy person. Malaria parasites are present in the blood and thus they travel to the new organism and multiply there in the red blood [...]