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Global Health Alert: Common Cat Parasite Threatens Sight
30 Jun
Summary
- A common cat parasite, toxoplasma gondii, infects billions worldwide.
- This parasite is a leading cause of preventable blindness globally.
- Scientists urge the WHO to recognize it as a neglected tropical disease.

A new global study is calling for the World Health Organisation to classify the common cat parasite, toxoplasma gondii, as a significant health danger. This parasite infects billions worldwide and is identified as the leading cause of intraocular infection globally, contributing significantly to vision loss.
Although most infections are asymptomatic, the parasite can cause serious health consequences, particularly ocular toxoplasmosis, which leads to eye pain, blurred vision, and potentially permanent blindness. Researchers emphasize that despite its impact, toxoplasmosis receives limited attention on global health agendas.
Experts from multiple universities across continents have collaborated on this research. They advocate for greater recognition of the parasite's effects to facilitate better prevention and management strategies. The study highlights that toxoplasmosis is preventable through improved food safety, clean water, and sanitation measures.