This is called
occult heartworm disease.
Approximately 15 % of the heartworm infected dog have
occult heartworm disease.
They usually have less worms and more
occult heartworm disease.
There are several reasons why
occult heartworm disease might occur.
Not exact matches
A positive
occult heartworm test is confirmation that your pet DOES have
heartworm disease.
A negative
occult heartworm test is confirmation that your pet does NOT have
heartworm disease.