/b/veterinary-news/posts/broached-vials-of-bovilis-rotavec-corona-can-now-be-used-for-28-days MSD Animal Health has announced that its calf scour vaccine Bovilis Rotavec Corona has a new license claim which allows it to be used for up to 28 days after first opening of the immediate packaging. Bovilis Rotavec Corona is used for the active immunisationen-USTelligent Community 10