Dr. Tonya R Williams M.D.

Herpes is caused by the herpes simplex virus (HSV). This virus causes both genital herpes and oral herpes (cold sores). However, the strain varies, with the herpes simplex virus type 1 (HSV1) causing cold sores while the herpes simplex type 2 (HSV2) causes genital herpes. HSV1 is mostly transmitted...

Measles, or rubeola, is a viral infection that mostly affects children, but can be seen at any age. This contagious infection is characterized by rashes that spread all over the body. Measles are now able to be contained via vaccination. The disease can be fatal for small children under the age of...

What is Reye’s syndrome?Reye's syndrome is a rare but serious condition that can cause swelling of the liver and brain. Even though this condition can occur at any age, it is mostly reported to affect children and teenagers, especially those who are trying to recover from viral infections, such as...

 What is active immunity?...

What is ascariasis?Ascariasis is a parasitic infection of the small intestine caused by the roundworm called Ascaris lumbricoides. Ascariasis is a common roundworm infection, especially in children. According to one of the reports from the World Health Organization (WHO), about 10 percent of the...

What is Smegma?In uncircumcised males, smegma is a sebaceous matter made up of oil and dead skin cells, which accumulates under the foreskin. In females, it accumulates around the folds of the labia. It is not a serious condition and not a sexually transmitted infection. However, a smegma buildup...