Respuesta :

nguyenminhnguyet82

Answer:

Once a person has measles, his or her immune system builds up resistance to the virus that causes the disease. Therefore, it is unlikely that the person has measles twice in his or her lifetime.

Explanation:

olowookereboyede

Answer:

The reason is simply because once you had measles in the first place, your body would have developed an immune against it and so you cannot have it again in life. However, measles and its potential complications are preventable through vaccination

Explanation:

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