Dr. Jesica Allyn Herrick 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...

Spirochetal bacteria are relatively harmless within the first days of infection, at worst, it may present with flu-like symptoms – fatigue, headaches, etc. After several weeks, however, the bacteria spread all over the body, affecting crucial body organs and causing severe symptoms. It all starts...

What is mumps?Mumps is a highly contagious viral infection. The virus invades the parotid glands of the individual causing pain and inflammation of these glands. It is characterized by a “hamster-like” swelling of the patient’s face. The initial symptoms may take up to two weeks to manifest....

Is Cholera Contagious?Cholera is one of the most dangerous infections that has claimed the lives of many people especially people living in very poor environmental areas. These are areas where there is poor sanitation, poor ventilation, and dirty water. Most of the victims of cholera over many years...

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...

Meningitis occurs when the meninges, the protective membranes surrounding the brain and spinal cord, get inflamed or irritated. Meningitis is an outcome of certain bacteria or viruses entering the body when our immune system is weak.These bacteria and viruses live in the nose, throat, or the...