Fix up lack of coherence issues in the text
Reviews of serological studies have estimated that 30 -- 50 % of the global population has been exposed to and may be chronically infected with latent toxoplasmosis. Infection rates differ significantly from country to country.
Reviews of serological studies have estimated that 30 -- 50 % of the global population has been exposed to and may be chronically infected with latent toxoplasmosis, although infection rates differ significantly from country to country.