Find the results of this observational study of over 5000 trial participants.
http://jid.oxfordjournals.org/content/early/2015/10/15/infdis.jiv456.full
Find the results of this observational study of over 5000 trial participants.
http://jid.oxfordjournals.org/content/early/2015/10/15/infdis.jiv456.full