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31-07-2021
NEW YORK: The Delta variant of the coronavirus is as contagious as chickenpox and could cause severe illness, according to an internal document at the United States Centers for Disease Control and Prevention (CDC), The New York Times reported on Friday.
The variant has be blamed for the explosion of infections not only in the US, but also across the world, including in several Southeast Asian countries where cases have surged overwhelming healthcare systems.
The report said that the variant was also more likely to break through protections afforded by the vaccines, adding that CDC’s decision to reverse course on masking guidelines for fully vaccinated citizens on Tuesday is based on the document.
The agency had previously said the vaccinated did not need to wear masks indoors.
Still, the CDC’s figures show that the vaccines are highly effective in preventing serious illness, hospitalisation and death in vaccinated people, according to experts quoted by the newspaper.
The Delta variant, which was first reported in India, is more transmissible than the viruses that cause MERS, SARS, Ebola, the common cold, the seasonal flu and smallpox, the report said.
The immediate next step for the agency is to “acknowledge the war has changed”, the report cited the document as saying.
CDC Director Rochelle Walensky told the Times that new research showed the vaccinated people infected with the Delta variant carried tremendous amounts of the virus in the nose and throat.
Meanwhile, a new CDC study published Friday showed that three-quarters of individuals who became infected with COVID-19 at public events in a Massachusetts County had been fully vaccinated, suggesting the Delta variant of the virus is highly contagious.
The study identified 469 people with COVID-19, 74 percent of who were fully vaccinated, following large public events in the state’s Barnstable County.
The viral load was similar in people who were fully vaccinated and those who were unvaccinated, the CDC said.
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, it said.
The finding of the report “is concerning and was a pivotal discovery leading to CDC’s updated masks recommendation,” Walensky said in a statement.
Officials have warned of rising COVID-19 infections in the US, particularly among about half of the population that remains unvaccinated, despite a successful rollout that has seen an excess stock of the inoculant.
The vaccine hesitancy among large swaths of the country, fuelled largely by misinformation, has scuttled the government’s hopes of controlling the virus within months of the vaccine being approved for emergency use.
Washington has resorted to increasing blunt methods to encourage the remaining citizens to be vaccinated, including requiring federal employees to get the jab or be subject to mandatory testing and other restrictions.
On Thursday, the Biden administration called on state and local governments to offer $100 payments for newly vaccinated Americans, funded by $350bn in aid granted under the American Rescue Plan Act. (Int’l News Desk)
