A study of 2.4 million health records suggests the World Health Organization’s set of 33 long covid symptoms may be too limited
Hair loss, reduced libido and ejaculation difficulties may be unrecognised symptoms of long covid, according to a study of 2.4 million electronic health records.
The World Health Organization (WHO) defines long covid as a set of 33 symptoms that usually develop within three months of a SARS-CoV-2 infection, with the symptoms lasting at least two months with no alternative explanation.
Studies into long covid vary in their definition of the condition but generally suggest it affects about 5 to 20 per cent of people who have had covid-19. These studies also suggest that long covid encompasses a wider range of symptoms than is officially recognised by the WHO.
We explored the effect of covid-19 on 115 symptoms of which we found 62 symptoms to be statistically significantly associated with covid-19 at 12 weeks [or more] after infection,” says Anuradhaa Subramanian at the University of Birmingham in the UK. “Some of these new symptoms, like reduced libido, sexual dysfunction and hair loss, are really new. They had not been attributed to covid-19 in the longer term before.
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