This is the job description http://collections.vesterheim.org/ibuprofen-or-acetaminophen-for-migraine-headache-b997.pdf#manure infant dose of children&#39s ibuprofen
  The current policy dictates that men who have had sex with other men since 1977 have a lifetime deferral from donating, "because MSM are, as a group, at increased risk for HIVm, hepatitis B and certain other infections that can be transmitted by transfusion."