Dr. Deborah J Cotton M.D.

The normal body temperature of a human being is 37° C. However, it may change throughout the day due to several factors. When the body’s temperature is elevated, it is described as a fever. Unlike the standard body temperature, a fever is not a constant temperature. In some instances,...

What is HIV?HIV is a virus that was discovered in the 1980s. It attacks a person's immune system, causing it to be too weak to fight outside infections. The HIV virus works by destroying white blood cells, called CD4 cells, in the immune system, and progresses through three stages, the last of which...

Lyme’s disease is acquired from the deer ticks which act as its host. The main cause, though, is a bacteria of the Borrelia type that is found in the tick saliva, and then transferred to humans whenever the tick bites.How do you contract Lyme disease?Deer ticks come in contact with humans in the...

The causing factor of chickenpox and the ways of transmissionThe causing agent is a virus called varicella-zoster, which is an airborne and really contagious germ. It can be spread while coughing and sneezing, with little droplets of the mucus thrown from the nose and throat. Another way of catching...

Cholera, an acute infection that is characterized by diarrhea, is caused by Vibrio cholerae. These are among the most common organisms found on water surfaces of the world. It is caused by the enterotoxin subunit-A of Vibrio cholerae.When living with cholera, one has to have the basic knowledge of...

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...