P4HB and infection: Following infection of antibody-pretreated cells, the percentage of infected cells at 12 hpi for all the rotavirus isolates tested was reduced by antibodies directed to Hsp90, Hsp70 (374, 375 and 376), Hsc70, PDI, and integrin β3 whereas no effect was observed in the case of antibodies to Hsp60 and Hsp40 (figures 4B-K).