World AstraZeneca, Pfizer COVID-19 vaccines effective against Delta variant, study finds
Is a Deadly Surge of the Delta Variant Headed for the U.S.?
The so-called Delta variant of the coronavirus, which was first detected in India and may carry double the risk of hospitalization compared to the Alpha—or U.K. strain—can cause unusual symptoms. Some people have reported hearing loss. Others, severe gastric distress. One Mumbai cardiologist reportedly treated two COVID patients with blood clots so severe, they required amputations of fingers or feet. “Last year, we thought we had learned about our new enemy, but it changed,” Abdul Ghafur, an infectious disease physician at the Apollo Hospital in Chennai, India, told Bloomberg. “This virus has become so, so unpredictable.
Both the AstraZeneca and Pfizer-BioNTechmaintained effectiveness against the Delta variant in a recent study, with researchers noting "no evidence of widespread complete escape from neutralization." The study, of which a said it would "seem likely from these results" that the vaccines would provide protection against the B.1.617 variant, "though an increase in breakthrough infections may occur as a result of the reduced neutralizing capacity of sera."
The Delta variant, which first originated in India, has been dubbed a variant of concern by both the U.S. Centers for Disease Control and Prevention (CDC) and theas it’s increasingly turning up in surveillance data across the world.
Coronavirus vaccine advice on AstraZeneca has changed again — here's what it means for under-60s
Why have the risks of AstraZeneca changed, why is clotting more common in younger people, and what should you do if you've already had the vaccine?The Australian government says the new advice balances the risk of developing a rare blood clotting condition after getting the vaccine against the effects of COVID-19.
Officials have been concerned about the increasing rates of transmissibility and the risk of hospitalization among individuals who are infected with the variant, particularly those who have not received a vaccine yet.
"We are encouraged to see the non-clinical results published from Oxford and these data, alongside the recent early real-world analysis from Public Health England, provide us with a positive indication that our vaccine can have a significant impact against the Delta variant," Mene Pangalos, executive vice president of BioPharmaceuticals R&D,following the pre-proof. "This gives us great hope that even as these new variants continue to spread, our vaccine would continue to provide protection for people across the world and help turn the tide of the pandemic for the people of India."
Biden Says It's 'Unlikely' Delta Variant Will Cause U.S. Lockdown but Won't Rule It Out
"The existing vaccines are very effective so no, it's not a lockdown, but some areas will be very hurt," the president said."I don't think so, because so many people have already been vaccinated," Biden said at a press conference when asked if the variant could prompt a new shutdown nationally. "But the Delta variant can cause more people to die in areas where people have not been vaccinated. Where people have gotten the two shots, the Delta variant is highly unlikely to result in anything.
The University of Oxford-led study also noted that the vaccines’ neutralization of the Delta variant was comparable with that seen against the Alpha and Gamma variants. However, the researchers emphasized the need for two doses as protection following a single shot of the Pfizer-BioNTech vaccine "is limited."
They also warned that those who remain unvaccinated but were previously infected by the B.1.351 or P.1. variants "may be more at risk of reinfection" with the Delta variant.
Officials worldwide have stressed that the Delta variant may pose a risk to the progress made in the fight against coronavirus. In the U.S., where the AstraZeneca vaccine has not yet received approval but the Pfizer-BioNTech jab has, the variant now accounts for about 20% of new cases. On Tuesday, Dr. Anthony Fauci, the nation’s leading infectious disease expert highlighted Pfizer’s demonstrated efficacy against the variant.
"Similar to the situation in the U.K., the Delta variant is currently the greatest threat in the U.S. to our attempt to eliminate COVID-19," Fauci said. "Good news, our vaccines are effective against the Delta variant."
Fox News' Kayla Rivas contributed to this report.
Garry says he was 'unlucky' he developed blood clots after AstraZeneca COVID-19 vaccine shot .
A week after Garry Richardson had his first AstraZeneca shot he developed severe abdominal pain and was found to have blood clots. He knows his case is very rare."We've always led a pretty active lifestyle," Mr Richardson said.