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... caused by a virus, stimulates human immunity system to secrete interferons to help protecting... is bone-ache. Though that viral infection is self limited, and should be relieved...

...it can re-emerge from hiding in the nerve cells, and it can cause an infection. We call this shingles. The vaccination will renew your immunity. It is recommended for the elderly even if they have already...

... in greater volumes, enough to cause an infection, you already have some antibodies to fight it. ...in play in the mud). It builds their immunity. Perhaps you did this alot as a child! ...

A newborn will have some immunity that they got from their mom, but don't have... their own. That is why a simple infection in a newborn can be a real medical crisis, while an older child...

...for a type of antibody that develops after a previous infection or vaccination to Chicken pox. AI stands...which would mean your result of 4.7 indicates immunity to the Varicella/chicken pox virus.

...true. The body doesn't somehow "count" infections and say "ok, we've had it 5 times...over and over. Norovirus can cause some temporary immunity, but it usually doesn't last, so you can get it, in theory...

Diarrhea which is caused by a bacterial infection, low immunity, stress and over crowding. It smells, your animal will act...

... different species of herpes, so having an immunity to one doesn't protect you from the other ones..., and then eventually it just clears up, the infection goes away. Or does it? It actually...