Dr. Eugene Matthew Tan MD

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...

Discovered in the 1980s in Western and Central Africa, HIV is a virus and at the same time an infection. HIV stands for human immunodeficiency virus. It is a virus that gets into the bloodstream and slowly attacks the human immune system. The immune system is a naturally occurring system in the body...

What is Lyme disease and what causes it?Lyme disease is a bacterial infection commonly seen in North America and Europe. It is caused by a bacterium known as Borrelia burgdorferi. The bacteria is transmitted to humans through a tiny black-legged deer tick, which feeds on human blood....

Dengue fever, a viral infection spread by the Aedes Aegypti mosquito, which causes acute body pain, raging fever and a slew of rashes and spots covering the body, but rarely progresses far enough to claim lives. Fatalities only occur when typical dengue develops into more serious conditions such as...

What is toxoplasmosis?Toxoplasmosis is a parasitic infection caused by a parasite called Toxoplasma gondii, which is found in humans and some types of animals. Although this parasite can infect all warm-blooded animals, it tends to only reproduce in the gut of felids, such as domestic cats and...

Cholera, an acute infection that is characterized by diarrhea, is caused by Vibrio cholerae. These are among the most common organisms found on water surfaces of the world. It is caused by the enterotoxin subunit-A of Vibrio cholerae.When living with cholera, one has to have the basic knowledge of...