Experienced this before whole litter hurot...its very devastating and heart breaking.. Even adult dogs ayaw mo kumpyansa fellow istorians, try to update their yearly vaccines tutal at 350, sulit na kaayo na than taking the risk, isa lang ka adlaw sa vet sobra na 350...Kung naa mo upcoming breeding, before pa lang magheat ang soon to be dam try to update her vaccination as much as possible para cya mismo and ang pups nay stronger immune system for the upcoming stressful months. deworming pud. Then most of all keep your kennels clean. Kung naa mo pup wala pa ma complete vac try as much as possible to maintain cleanliness, although its airborne but atleast we tried something than nothing. Hope i dont sound feeling know all, try to help lang, naka agi man gud ko ani and dili lalim ma wad.an og pet...and upto now im still learning.