| the risk of transmission of crimean-congo hemorrhagic fever virus from human cases to first-degree relatives. | to determine the infectivity of crimean-congo hemorrhagic fever (cchf) virus via routine contacts between serologically confirmed cases and their close relatives from may 2005 up to march 2006, 79 serum samples of 57 close relatives of 12 newly diagnosed serologically confirmed cchf cases in the sistan-va-baluchestan province of iran were tested for igg and igm antibodies against cchf virus using the enzyme-linked immunosorbent assay technique. nine levels of contacts were considered: percutaneo ... | 2008 | 19050365 |