Dr. Megan K Shaughnessy M.D.

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...

COVID-19 has caused massive anxiety to most, if not all of us, even to those people with a scientific background. We have been aware of the statistics: how fast the number of positive cases increases, the mortality rate, and even the number of recovered patients. The public is also being informed...

Genital herpes is one of the most common sexually transmitted infections (STI) in the United States that mostly affects people between 14 and 49. It occurs as a result of infection with both types of herpes simplex virus (HSV)-HSV1 and HSV2. However, most people with genital herpes are infected with...

Caused by bacteria and viruses, meningitis is an inflammation (swelling) of the protective membranes covering the brain and spinal cord known as the meninges. The inflammation is usually caused by an infection of the fluid surrounding the brain and spinal cord. It can develop as a result of injury,...

How is Cholera Diagnosed?Cholera is an acute bacteria disease caused by a bacterium called Vibrio cholerae. Infection with the cholera bacteria can lead to severe vomiting and diarrhea and finally electrolyte loss or dehydration. If not treated, cholera can, in many cases, result in death.In order...

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....