Dr. Edmund H Ernst M.D.

Introduction Chikungunya is a viral infection that is transmitted by mosquitoes. The chikungunya virus causes a sudden onset of fever along with severe joint pain. The illness is not considered as contagious, but in rare instances, the virus can get transmitted through contact with a person's...

Lyme disease is an infectious disease caused by a bacterium called as Borrelia burgdorferi. It is transmitted to humans via a common tick after feeding on human blood. In most affected individuals, the disease is acute, which is only lasting for a short period of time. But for the rest, the bacteria...

Borrelia burgdorferi is a gram-negative bacterium, which is the causative organism of Lyme disease. It is most commonly found in North America and Europe. Lyme disease is a zoonotic vector-borne disease. A zoonotic disease is a disease that can be transmitted from animals to humans and...

Influenza Influenza, also commonly called as the flu, is a highly contagious respiratory infection caused by viruses, particularly influenza A or influenza B. These viruses usually infect the throat, nose, and lungs. Although the flu causes mild symptoms in most people, it can also cause severe...

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,...

Diarrhea is a very common water-borne disease. A person who has diarrhea passes loose or liquid stool at least three times a day or more frequently than what is normal for the person. The reason behind the consistency and frequency of these bowel movements in a case of diarrhea is the increased flow...