Dr. Stephen D Sears MD

The main difference between AIDS and HIV is that HIV is a virus whereas AIDS is a condition that is caused by HIV. People often confuse HIV and AIDS. Different diagnoses are used to identify both HIV and AIDS. However, they are said to go hand-in-hand and are very often used interchangeably to...

The novel coronavirus, COVID-19, belongs to a large family of viruses that can cause potentially fatal respiratory complications. In humans, this is known to cause respiratory infections that can range from the common cold to more severe symptoms. We initially thought that COVID-19 only affected the...

You've probably heard stories of people who have died of meningitis, or you've heard that contracting it is as simple as kissing someone with the infection. However, being aware of what is fact and what is fiction is important. Below are some of the myths about meningitis and their truths. ...

IntroductionThe only way to prevent serious and life-threatening diseases such as meningitis is through vaccination. Meningitis can also be caused by viral, bacterial, and fungal infections. The infection usually affects the meninges or membranes that enclose the brain and spinal cord. Although...

HIV is a virus that attacks and slowly destroys the immune system of the body. Once the virus gets into the body, it gets incorporated in the bloodstream and destroys white blood cells in the immune system. The immune system is a natural system that protects the body from infections. HIV is found in...

Pneumocystis carinii pneumonia (PCP) is a very serious disease, which is characterized by a fluid buildup and inflammation in the lungs. This lung infection is caused by the fungus Pneumocystis jiroveci. It is an opportunistic disease that usually infects immunosuppressed individuals, especially...