Male beagle: 3 months old, vaccination dhppi done along with booster dose last week (17 nov 2020) my dog vomited 4-5 times after having meals ,he was given antibiotics and drip ,doc also performed the below test please explain if we have to get him vaccine again specimen: stool swab findings: the given sample was detected positive for canine parvo antigen test via cpv antigen detection kit. Elsa/pcr is suggested.