The symptoms of AIDS are primarily the result of infections that do not normally develop in people with healthy immune systems. These infections are termed "opportunistic infections." Patients with AIDS have had their immune system destroyed by HIV and are susceptible to such opportunistic infectio...

The symptoms of AIDS are primarily the result of infections that do not normally develop in people with healthy immune systems. These infections are termed "opportunistic infections." Patients with AIDS have had their immune system destroyed by HIV and are susceptible to such opportunistic infec...

Typhoid Fever essay: Introduction: Typhoid fever is a bacterial infection of the intestinal tract and occasionally the bloodstream, and is from the Salmonella species. Risk of infection is greatest for travellers to developing countries who will have prolonged exposure to potentially contaminated f...

Bronchitis is the inflammation of the bronchi. It may develop suddenly, following a head cold (acute bronchitis), or it may persist or return regularly for many years, causing progressive degeneration of the bronchi and lungs (chronic bronchitis). Certain people are more susceptible than othe...

Tetanus Tetanus is a serious, sometimes fatal, disease caused by the infection of a puncture wound in the skin by spores containing the bacterium, Clostridium tetani. These bacterial spores are commonly found in soil, animal excrement, house dust, operating rooms, contaminated heroin, and mo...

Diseases E. coli are germs that normally live the intestines of people and animals. The most common symptoms are severe stomach cramps and diarrhea. E. coli lives in the intestines of healthy cattle and can get into the meat when cattle are slaughtered. The germs are killed whe...