Herpes, chickenpox, HIV/AIDS, and the flu are common viral infections. Herpes is highly contagious and causes recurring blisters, while chickenpox is characterized by itchy blisters and can cause serious problems for adults. HIV attacks the immune system and can lead to AIDS. The flu is caused by the influenza virus and causes respiratory tissue swelling, fever, and body aches.
Herpes is an example of a common recurring viral infection, and chicken pox is an example of a condition that a person generally only experiences once. HIV and AIDS are two types of viral infections that are considered fatal. The flu is probably the most common infection and one that many people experience numerous times throughout their lives.
Herpes simplex virus can refer to two different types of viral infections. Both of these infections are considered highly contagious because they can be transmitted by simple physical contact. Recurring blisters are the most common trait associated with herpes viral infections. Everyone doesn’t experience blistering, and those who do tend to experience less severe and less severe episodes the longer they have the infection. One of the biggest differences between them is that herpes type 1 tends to occur around the mouth. Herpes type 2 is more likely to infect the genitals.
Chickenpox is another viral infection characterized by fluid-filled blisters. With this infection, however, those blisters can burst all over the body. They are usually red and very itchy. Other symptoms may include fever and headache. Most people who get this infection do it as children. For children, there are few serious complications or side effects, and they usually won’t have to deal with the disease again after the initial episode. However, this viral infection can cause serious problems for adults and pregnant women.
Although chickenpox lies dormant in most people’s bodies after the initial episode, sometimes the virus reactivates. When this happens, an individual will be dealing with an infection known as shingles. This condition is characterized by a rash, but it also tends to be painful. A person cannot give shingles to another person, but a person with shingles can infect another person with chickenpox if the individual has never had it.
HIV and AIDS are examples of the types of viral infections that can be fatal. HIV is a virus that attacks the body’s CD4 cells, which are an essential part of the immune system. CD4 cells help the body fight infection and disease, but HIV inhibits their ability to do so. When HIV has affected the immune system to such an extent that the body has little or no ability to protect itself, the individual will usually be diagnosed with AIDS.
Although many people don’t recognize it, one of the most common types of viral infections is the flu. It is caused by the influenza virus, which enters the bloodstream through the respiratory tract. The virus creates copies of itself that infect cells and cause them to die. When this happens, the virus is released and moves on to attack other cells. During an active infection, a person often experiences symptoms such as swelling of the respiratory tissue, fever, and body aches.
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