Long Covid may lower your IQ by up to 6 points, major study warns >>> https://www.dailymail.co.uk/health/article-13145813/long-covid-cognitive-decline-iq-points.html <<< Deficits equivalent to 6 IQ points were detectable a year or more after infection >>> https://www.theguardian.com/society/2024/feb/28/brain-fog-from-long-covid-has-measurable-impact-study-suggests <<< Long Covid is a poorly-defined illness which is notoriously difficult to diagnose