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US CDC says fully vaccinated people need not quarantine after COVID-19 exposure

US CDC says fully vaccinated people need not quarantine after COVID-19 exposure

People queue to receive COVID-19 vaccinations at the LA Mission homeless shelter on Skid Row in Los Angeles on Feb 10, 2021. (Photo: Reuters/Lucy Nicholson)

WASHINGTON: People who have received the full course of COVID-19 vaccines can skip the standard 14-day quarantine after exposure to someone with the infection as long as they remain asymptomatic, US public health officials advised.

The US Centers for Disease Control and Prevention (CDC) said on Wednesday (Feb 10) the vaccines have been shown to prevent symptomatic COVID-19, thought to play a greater role in the transmission of the virus than asymptomatic disease.

READ: Britain's coronavirus variant a concern, 'likely to sweep the world', says scientist

"Individual and societal benefits of avoiding unnecessary quarantine may outweigh the potential but unknown risk of transmission (among vaccinated individuals)," the CDC said.

The agency has laid down strict criteria for people who would no longer have to quarantine after the vaccinations, including having received both doses of a two-dose vaccine.

READ: Commentary - Countries hoarding vaccines will only prolong the COVID-19 crisis

People who choose not to quarantine should do so only if they received their last dose within three months, and should only avoid quarantine 14 days after their last shot, the time it takes to develop immunity, the CDC said.

Fully vaccinated people who do not quarantine should still watch for symptoms for 14 days following an exposure.

Two-dose vaccines from Pfizer and Moderna have been authorised for emergency use in the United States. Johnson & Johnson applied for a US authorisation of its single-dose shot last week.

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Source: Reuters/dv

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