Dr. David Lee Hyslop MD

Acquired immunodeficiency syndrome, or AIDS, is a serious secondary immunodeficiency disorder. AIDS is caused by human immunodeficiency virus (HIV). There is progressive destruction of cell-mediated (T cell) immunity. Also, both conditions are characterized by subsequent effects on humoral immunity...

The deadly coronavirus that began as a handful of infections in China and exponentially multiplied around the globe has become one of the largest news stories of the decade.With over 50 million cases of COVID-19 confirmed and over 1 million deaths, the world is struggling on how to contain the virus...

Antiviral medication refers to drugs that are used for treatment of HIV. These drugs do not completely treat the infection but are used to suppress the development of the virus and stop it from becoming AIDS. Since HIV virus replicates itself once it gets into the bloodstream, the medication stops...

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 shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...

Cold sores are small, painful blisters that form on the lips or skin around the nose, mouth, or chin. Also called as herpes labialis and fever blisters, cold sores are caused by a herpes simplex virus (HSV) infection. It usually begins in childhood or young adulthood and continues to persist...