Heartworm Incidence

in Southern California

in 2001

County	# cases canine heartworm
San Diego	123
Imperial	23
Riverside	32
Orange	30
Los Angeles	35
Ventura	5
San Bernadino	65
Santa Barbara	17
Kern	4
Total in 2001	334
Note: This list is of reported diagnosed cases in
Southern California in 2001
The dogs did not necessarily pick up their infestations in the
given county, nor even in Southern California

As you can see the incidence is very low in concordance with our

very low mosquito population

Beware those who have been claiming a high incidence.