Children under the age of 12 are protected against severe illness from COVID-19 by mRNA vaccines, but the effectiveness decreases over time, as does immunity gained from previous infections. These findings and others are published in a new study in The Lancet Infectious Diseases.
Public health experts fear that Meta's decision to roll back some of its COVID-19 misinformation measures will lead to more disinformation about the virus, treatments for it and vaccines.
The company announced the changes on Friday after it asked its independent oversight advisory board whether it should continue its COVID-19 misinformation policy for Facebook and Instagram or take a "less restrictive approach."
Global cases and deaths continued to drop over the past 28 days, but the metrics don't accurately reflect infection rates because of the steady drop in testing and regular reporting from countries, the World Health Organization (WHO) said (Thursday) in its latest weekly update.
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