Although it was never proven for sure, some suspected the outbreak of fmd in saskatchewan, canada, to have been brought into the country by a german immigrant. if that is the case, how would he have most likely caused cows in canada to become infected?
a. he may have had fmd himself and coughed or sneezed near the cows.
b. he may have brought contaminated food with him that the cows then ate.
c. he may have worn boots that had not been cleaned and passed fmd to the cows.
d. humans cannot pass fmd to cows so there is no way he was connected to the outbreak.