Abstract
The current study was conducted to find out the epidemiological status of toxoplasmosis in cats, dogs and
human population in Lahore city of Pakistan and to determine the possibility of transmission of
toxoplasmosis from cats and dogs to their owners. Overall 56% cats were seropositive for anti-Toxoplasma
antibodies. Stray cats had the high prevalence (64%) followed by domestic cats (48%). The highest
prevalence (71%) was detected in cat in the 7 year or above age group. The seropositivity percentage of
toxoplasmosis was highest in local breeds of the cats (64%). Overall 39% dogs were seropositive for anti-Toxoplasma antibodies. Stray dogs had the high prevalence (50%) than the domestic dogs (28%). The
highest prevalence of toxoplasmosis (45.9%) was recorded in dogs of age group of >1-3 years. Dogs having
access to house as well as yard has the highest prevalence (40%). Overall 22% human were seropositive for
anti-Toxoplasma antibodies. The highest seropositivity was observed in cat owners (32%) followed by dog
owners (26%), UVAS employees (20%), and the lowest seropositivity (14%) was observed in people having
no contact with dogs and cats. There was decrease in haemoglobin level of cats, dogs and human positive for
anti-Toxoplasma antibodies.