unfortunately even dogs that get shots can and do get parvo..thats why they need to have the whole series before being exposed to the enviroment..even your own back yard,you never know when a parvo dog ran through the yard in the middle of the night...I will try to explain how shots work..you have say 4 pups,they all get shots at 6 weeks,well only one is able to use the shot and make immunities,then 2 weeks later another shot is given,then puppy 2 is able to make immunities,and so on..see the problem is we dont know when any pup is able to make the immunities,and so its a give and hope thing,thats why they need them so often and should be minimal exposed to the outside world until after 14 weeks..I myself give a neopar at 5 weeks,this can be given at 4 weeks if in a high parvo area,then a DA2PPv at 6 weeks,another Neopar at 7 weeks and another DA2PPv at 8 weeks,9 weeks another Neopar,10 weeks another DA2PPv..then no more neopar but a DA2PPv at 12 and 14 weeks..Neopar has shown to even be effective in sick dogs..but many vets dont stock it or even know what it is..it has the highest titers of any vacc,
