| http://www.w3.org/ns/prov#value | - EBV is a very common virus, and nearly everbody gets exposed to it in his/her youth - but as it goes with all diseases, some get infected and fall ill, and others do not (due to for instance genetic disposition: some people ALWAYS get a cold by every influenza virus that comes along, and some never... :shrug:), but the exposure has made them more-or-less immune.
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