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Immune System

How Long Is Hand, Foot and Mouth Contagious?

Hand, foot and mouth disease (HFMD) is an illness caused by a collection of coxsackie viruses. The illness is most common amongst children under the age of five, but that’s not to say that children who are older than that age or adults can’t catch the illness. Its name derives …

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Yellow Fever vaccine Cost

Yellow fever is a mosquito-born viral disease that can cause serious health implications and even death. Although spread by mosquitos, once a person develops yellow fever, it can be contaminated to other people. Symptoms of yellow fever start with fever, chills, headache, nausea and vomiting. The disease can develop to …

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Can You Catch the Same Cold Twice?

No one wants to deal with the common cold, as the coughing, sneezing, chills, and headaches can easily make life difficult for you. Unfortunately, you cannot do much about the issue, as there are so many bugs floating around and there is no single cure to treat the symptoms. What makes …

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What Does Malaria Look Like on the Skin?

Malaria is a disease caused by a protozoan parasite that invades the red blood cells through the bite of infected mosquitoes. The parasite is transmitted by mosquitoes in many subtropical and tropical regions that kill an estimated 660,000 people each year. What does malaria look like on the skin? Initially, …

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Can Tonsils Grow Back?

Made of lymphoid tissue, tonsils are precisely located at the back of your throat and provide your immune system with information to help it work efficiently. During early stages of your life, those tonsils are quite large but shrink down to the size of small nubbins after childhood. Tonsils or …

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Pneumonia Vaccine: How Often Should You Get It?

In the U.S., pneumococcal disease is responsible for killing thousands of people each year and about 18,000 of these are people older than 65. Thousands of adults have to stay in the hospital for proper treatment because the disease can cause several complications, including infections of the lining of the …

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Swollen Lymph Nodes in Neck

Small in size and kidney shaped, lymph nodes are the organs of the lymphatic system. The highest concentration of lymph nodes is in the groin and armpit regions. Lymph vessels take lymph fluid throughout the body by taking it through the network of lymph nodes. These small structures work as …

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Swollen Lymph Nodes and HIV

Lymph nodes are shaped like beans and occupy different areas of the body like your neck or armpit in cluster form. The body is more susceptible to swelling in the regions where lymph nodes are located. The swelling of lymph nodes is usually a dangerous sign and a lot of …

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Pityriasis Rosea Stages

Pityriasis rosea is a childhood skin problem that is extremely common. It is also known as “the Christmas tree rash”. It is not related to rosacea, which is a chronic, incurable problem with the skin that usually affects adults. Few people know about pityriasis rosea. It results in patches of …

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What Does Aids Look Like?

Human Immunodeficiency Virus, or HIV, is a virus that results in Acquired Immune Deficiency Syndrome, AIDS. HIV compromises the recipient’s capacity to deal with cancer and infections. When HIV advances, it becomes AIDS. Patients are considered to have AIDS when their CD4 T-cell total falls below 200. People with Kaposi’s …

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