Help with parvo 4 MONTH OLD PUPPY ?

MY PUPPY 4 MONTH OLD PUPPY JUST DIED OF PARVO I HAVE AN 11 MONTH OLD DOG IN MY YARD TOOO HE HAS HIS PARVO SHOOT BUT CAN HEE STILL GET PARVO I HERD PARVO STAYS IN THE AREA FOR A LONG TIME IS THIS TRUE