Vaccines
- Health
Understanding Antigens: What They Are and How They Work
Definition and Characteristics of Antigens Antigens are molecules or substances that are capable of inducing an immune response in a living organism. They are usually proteins or polysaccharides found on the surface of cells, viruses, bacteria, fungi, and other foreign particles. Antigens can also be introduced into the body through vaccines, which contain weakened or inactivated forms of viruses or…
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Understanding Hand, Foot, and Mouth Disease
Causes and Symptoms of Hand, Foot, and Mouth Disease Hand, Foot, and Mouth Disease (HFMD) is a viral illness that primarily affects infants and children under the age of 5, but it can also affect adults. The disease is caused by several different viruses, including Enterovirus 71 and Coxsackievirus A16. HFMD is highly contagious and is usually spread through close…
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