| http://www.w3.org/ns/prov#value | - A healthy immune system will usually prevent bacteria from spreading deeper inside the body.The following people could have a weakened immune system:babies aged less than six months those over 75 years of age those with a health condition that weakens the immune system, such as HIV, cancer or type 2 diabetes those who inject drugs such as heroin those who misuse alcohol There are a number of medic
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