Viruses

Cytomegalovirus (CMV), one of the human herpes viruses, does not cause severe disease in most infected people, according to Microbiology and Immunology Online. In infants and people with weakened...

Herpes simplex virus type 1 (HSV-1) is the most common herpes simplex virus and is usually associated with cold sores. According to the National Institutes of Health, by adulthood, 30 to 90...

Genital warts are one of the most common venereal diseases. They are caused by the human papillomavirus (HPV), and can cause cervical cancer. About 30% go away without treatment. The underlying...

As with many other viral infections, there are no specific treatments for infection with parvovirus, which causes fifth disease--a mild rash illness. The Centers for Disease Control and Prevention...

Meningitis is a viral or bacterial infection which involves the inflammation of the membranes of the spinal cord and the brain, also called the meninges. According to the CDC, there are...

Molluscum contagiosum is a pox viral infection that primarily affects children. It causes painless bumps to appear on the skin. While the bumps typically disappear without treatment, scratching...

Viral meningitis is a viral infection of the protective membranes that cover the spinal cord leading up to the brain. Affecting mostly children, it is important to understand factors dealing with...

Quinine is a natural drug that's been known and used for centuries around the world. Largely responsible for curbing the destructive onslaught of malaria in the Old World, it eventually became the...

The flu is a respiratory infection caused by the influenza virus. It is highly contagious because it can be spread through the air. It is important to know the symptoms of the flu in order to get...

Acne by itself is bad enough, but the acne scars that acne breakouts leave behind can create a lifetime of embarrassment and hassle. It is important to prevent acne scars before they can form, but...

Mono is a virus transmitted from one person to another through contact with infected saliva. It is caused by the Epstein-Barr virus. Anyone at any age can contract this virus; however, teenagers...

Hepatitis C is the most serious of six hepatitis viruses, all of which attack the liver and prevent the organ from functioning normally. People who have hepatitis C are often unaware of it because...

According to the Centers for Disease Control and Prevention, rotavirus is the No. 1 cause of severe diarrhea in children. The disease is common and infects most children in the United States by...

The MRSA virus is classified by two types, Healthcare MRSA (HA-MRSA) and Community MRSA (CA-MRSA). The names reflect how the virus is contracted. HA-MRSA is generally contracted in hospital and...

CMV, or cytomegalovirus, can occur in anyone. It is passed through blood, saliva and sexual contact, and it often presents like the more common mononucleosis. There is very little treatment for...

While most American children receive the polio virus vaccine, many children across the world do not. Increasingly more American children are not receiving the vaccine, either, as many parents...

Shingles, also known as Herpes zoster, is a disease of the skin. Both shingles and chicken pox are caused by the Varicella zoster virus, a herpes virus that is distinctly different from the...

If you've ever had the chicken pox, you can get shingles. In fact, shingles is caused by the same virus that causes chicken pox, varicella zoster. The one major difference in having the chicken...

Dengue hemorrhagic fever is a serious viral disease that is generally associated with severe febrile symptoms (extremely high fevers). With appropriate medical care, the mortality rate of dengue...

Although rare, you can become a victim of St. Louis encephalitis. It is a virus that spreads to humans from a mosquito bite and can prove fatal in some cases. To prevent coma and death, you need...