/b/veterinary-news/posts/new-license-claim-for-bovilis-calf-scour-vaccine MSD has announced that its calf scour vaccine, Bovilis Rotavec Corona is now licensed to boost antibodies against both F5 (K99) and F41 E.coli adhesins – the most commonly isolated fimbriae taken from calves suffering with infectious diarrhoea 1 . en-USTelligent Community 10