Mosquitoes spread heartworm disease with just one bite. Heartworm infection has been diagnosed in all 50 US states and can affect both cats and dogs. There is no season for heartworm disease, so the American Heartworm Society recommends year-round prevention and annual testing for pets. Heartworms are deadly but prevention is affordable, effective, and easy to administer.

1. 5 FACTS
EVERY PET OWNER
SHOULD KNOW ABOUT
HEARTWORM DISEASE

2. Pets don’t infect each
other with heartworms;
pesky mosquitoes
spread the disease.
#1: Blame the mosquito!

3. In fact, just ONE BITE
from an infected
mosquito is all it takes
to infect your pet with
heartworms.

4. #2: Heartworm infection has been
diagnosed in all 50 states.

5. That’s why all pets—big or
small, indoor or outdoor,
old or young—need
heartworm protection.

6. #3: Cats as well as dogs get
heartworm disease.

7. And unlike dogs, cats
have no approved
medications to treat
heartworm infection.

8. #4: There’s no season
for heartworm disease.

9. That’s why the American
Heartworm Society recommends
year-round prevention.

10. #5: Heartworms are deadly ...

11. … but heartworm prevention
is affordable, highly
effective and easy to give.

12. AMERICAN HEARTWORM SOCIETY
RECOMMENDATIONS
Test pets for
heartworm
infection every
12 months
Give pets
heartworm
preventives 12
months a year