Scientists believe a 2021 outbreak of the disease in Guinea came from dormant virus reactivating in an otherwise healthy survivor from an epidemic that ended five years ago.
Scientists believe a 2021 outbreak of the disease in Guinea came from dormant virus reactivating in an otherwise healthy survivor from an epidemic that ended five years ago.
The Russian president’s spokesperson said Putin, who has been fully vaccinated with Russia’s homegrown Sputnik V, tested negative for coronavirus and is in good health.
A team of researchers, including from the WHO and FDA, said there is no “credible evidence” protection against severe Covid-19 wanes over time and that an unnecessary push for boosters could possibly cause more adverse reactions to the vaccines.
The pediatrician-in-chief at Texas Children’s Hospital, which is conducting child vaccine trials, said the hospital is “doing all we can to get vaccines to children in the fall.”
He joined former presidents Obama and Clinton for a ceremony at the World Trade Center in New York, before traveling to Pennsylvania and the Pentagon to commemorate the lives lost in the attacks there.