By upu on June 8, 2011. Bacterial infection in stomach is a common infection. As the name suggests, it is caused by bacteria, this infection can be contracted when you eat or drink contaminated food or water, or if you are in close contact with bacteria infested object, or a person.ommon symptoms of bacterial infection in stomach are: 1  Pain in stomach with cramps in the stomach. 2  Diarrhea. 3  Gastritis, with retrosternal burning and waterbrash. 4  Dark or black color of stool. 5  Cramps in abdomen. 6  Stomach ulcer. 7  Aggravation of pain in stomach after intake of food. 8  Vomiting and nausea. 9  Weight loss. 10  General feeling of tiredness. 11  Fever.
P. carinii pneumonia is the most common life-threatening opportunistic infection in AIDS patients, accounting for 52% of primarily diagnoses.' Infectious agents involving the central nervous system include mycobacteria, Toxoplasma gondii, Aspergillus organisms, Cryptococcus neoformans, and Candida albicans.
Examples of Opportunistic Infection. Before going to see the examples of opportunistic infection, it would be better to learn that what is HIV and how it helps such infections to attack on the immune system. HIV is known as Human Immuno Deficiency Virus. The virus leads to develop the AIDS.It attacks on the CD4 cells.xamples of Opportunistic Infection. Before going to see the examples of opportunistic infection, it would be better to learn that what is HIV and how it helps such infections to attack on the immune system. HIV is known as Human Immuno Deficiency Virus. The virus leads to develop the AIDS.