 Prevention is by washing hands and not sharing eating utensils . There is no vaccine for the disease . Treatment with antibiotics is only recommended in those with a confirmed diagnosis . Those infected should stay away from other people for at least 24 hours after starting treatment . Pain can be treated with paracetamol ( acetaminophen ) and non @-@ steroidal antiinflammatory drugs ( NSAIDS ) such as ibuprofen . 
