The study demonstrated that Delta infection resulted in similarly high SARS-CoV-2 viral loads in vaccinated and unvaccinated people, said CDC Director Rochelle Walensky.
“High viral loads suggest an increased risk of transmission and raised concern that, unlike with other variants, vaccinated people infected with Delta can transmit the virus,” she said.
“Israel is a pioneer in going ahead with the third dose for older people of the age of 60 and above. The fight against the COVID pandemic is global. The only way we can defeat COVID is together,” Bennett said. The booster campaign, with shots administered by health maintenance organizations, will effectively turn Israel into a testing ground for a third dose before approval by the U.S. Food and Drug Administration (FDA).
The latest guidance from the U.S. Centers for Disease Control and Prevention says people who are fully vaccinated should get tested three to five days after potential exposure, even if they don’t have symptoms.That change comes two months after the agency eased its initial testing guidance. In May, the CDC said vaccinated people face very little risk of serious illness and don’t need to be tested in most cases, even if exposed to someone who was sick. The thinking was that vaccinated people also weren’t likely to spread it to others.
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