New variant
The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that have yet to be certified by peer review. Severe COVID-19 may "trip off" immune self-att..
The World Health Organization (WHO) has declared a new coronavirus variant to be "of concern" and named it Omicron. It had a large number of mutations, and early evidence suggested an increased reinfection risk, the WHO said. It was f..
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A major British study into mixing COVID-19 vaccines has found that people had a better immune response when they received a first dose of AstraZeneca or Pfizer-BioNTech shots followed by Moderna nine weeks later, according to the results on Monday. ..
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