Estrogen treatment associated with reduced COVID deaths
A new paper in Family Practice, published by Oxford University Press, indicates that receiving hormone replacement therapy within six months of a recorded diagnosis of COVID-19 was associated with a reduction in mortality from the disease.
The novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continues to spread. Men and women are equally susceptible to the infection. Men tend to have more severe infections, however, and have higher rates of hospitalization and mortality. A recent review of sex differences in COVID-19, using data from 38 countries, found mortality in men was 1.7 times higher than in women. Younger women or those with higher estrogen levels are less likely to experience COVID-19 complications.
Earlier studies have also shown that women have faster and greater immune responses to viral infections. Researchers have observed similar data in previous pandemics, including the SARS-CoV (Severe Acute Respiratory Syndrome Corona Virus) and MERS-CoV (Middle East Respiratory Syndrome Corona Virus) outbreaks.
The reason for these sex differences is uncertain. Limited recent observational data suggest that estrogen may reduce the severity of COVID-19 disease. This study investigated the association between hormone replacement therapy or combined oral contraception use, and the likelihood of death in women with COVID-19. Researchers investigated combined oral contraception, which contains estrogen, because some Recent observational data suggests that women taking oral contraceptives have a lower risk of acquiring COVID-19.
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