(5/14/24) The blood-retinal barrier is designed to protect our vision from infections by preventing microbial pathogens from reaching the retina where they could trigger an inflammatory response with potential vision loss. But researchers at the University of Missouri School of Medicine have discovered the virus that causes COVID-19 can breach this protective retinal barrier with potential long-term consequences in the eye.
This tracker provides data on global COVID-19 cases and deaths by country, region, and income-level. Additionally, the tracker reports current closure, economic, and health system policy responses to the COVID-19 pandemic globally. This tracker will be updated as new data are available.