Long COVID brain fog far more common in US than India, other nations
Study of 3,100 patients is first to compare long COVID brain symptoms across continents
Brain fog affected 86% of non-hospitalized U.S. patients, compared with 15% in India
Symptom patterns clustered by income level, not geography
Disparities likely reflect culture and healthcare access, not a different virus
CHICAGO --- Patients with long COVID-19 in the U.S. report far higher rates of brain fog, depression and cognitive symptoms than patients in countries such as India and Nigeria, according to a large international study led ...