Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleReply.AuthorsRichards, Michael; Jones, RobertPublicationJournal of Infectious Diseases, 1994, Vol 169, Issue 6, p1407ISSN0022-1899Publication typeArticleDOI10.1093/infdis/169.6.1407