Dr. Mary Beth Krance MD

What is Lyme disease and what causes it?Lyme disease is a bacterial infection commonly seen in North America and Europe. It is caused by a bacterium known as Borrelia burgdorferi. The bacteria is transmitted to humans through a tiny black-legged deer tick, which feeds on human blood....

Lymphocytes are a type of white blood cell produced in the bone marrow. A few lymphocytes enter the bloodstream while some move into the lymphatic system. Having a low or high lymphocyte count can help identify a person's medical condition. Normal lymphocyte counts usually vary from one laboratory...

In the early 19th to the 20th century, parents would have been surprised to know that future generations would be free from childhood diseases. Diphtheria was then one of the most common diseases that took the lives of thousands of children, while polio left thousands of children crippled. Measles...

The chance of getting infected by Lyme disease from a single bite depends on the type of the tick, how long it has been attached, and where it is acquired from. There are many types of ticks and not all of them can cause Lyme disease. The symptoms of Lyme disease are rash, fatigue, fever, facial...

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...

What is pulmonary tuberculosis?Pulmonary tuberculosis or (TB) indicates a contagious bacterial infection involving the lungs but can also spread to various parts of the human body.What are the symptoms of pulmonary tuberculosis?People suffering from this lung condition would commonly experience the...