IQ Loss From COVID-19 Infection

A study of over 100,000 people in England found that found that cognitive deficits from COVID-19 infection (memory, reasoning and executive function) were similar between those whose symptoms resolved in less than 4 weeks and 12 weeks but were larger in those who had unresolved persistent symptoms (long COVID).

IQ loss from COVID-19 infection:

Group Cognitive deficit
Mild infection -3 IQ points
Unresolved persistent symptoms -6 IQ points
Intensive care -9 IQ points

Read Cognition and Memory after Covid-19 in a Large Community Sample.

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