Abstract Background Toxocariasis is a worldwide zoonotic parasitic disease caused by species of Toxocara and Toxascaris. common in dogs and cats. Herein. a meta-analysis was contrived to assess the prevalence of Toxocara/Toxascaris in carnivore and human hosts in different regions of Iran from April 1969 to June 2019. https://parisnaturalfoodes.shop/product-category/betaine-hcl/