US Panel Endorses Widespread Use of Pfizer Covid-19 Vaccine

A US government advisory panel endorsed widespread use of Pfizer’s coronavirus vaccine Thursday, putting the country just one step away from launching an epic vaccination campaign against the outbreak that has killed close to 300,000 Americans.

Shots could begin within days, depending on how quickly the Food and Drug Administration signs off, as expected, on the expert committee’s recommendation.

“This is a light at the end of the long tunnel of this pandemic,” declared Dr. Sally Goza, president of the American Academy of Pediatrics.

In a 17-4 vote with one abstention, the government advisers concluded that the vaccine from Pfizer and its German partner BioNTech appears safe and effective for emergency use in adults and teenagers 16 and over.

That endorsement came despite questions about allergic reactions in two people who received the vaccine earlier this week when Britain became the first country to begin dispensing the Pfizer-BioNTech shot.

While there are a number of remaining unknowns about the vaccine, in an emergency, “the question is whether you know enough” to press ahead, said panel member Dr. Paul Offit of Children’s Hospital of Philadelphia. He concluded that the potential benefits outweigh the risks.

The decision came as Covid-19 cases surge to ever-higher levels across the US, with deaths setting an all-time, one-day record of more than 3,100 on Wednesday.

Pfizer has said it will have about 25 million doses of the two-shot vaccine for the US by the end of December. But the initial supplies will be reserved primarily for health care workers and nursing home residents, with other vulnerable groups next in line until ramped-up production enables shots to become widely available on demand — something that will probably not happen until the spring.

Next week, the FDA will review a second vaccine, from Moderna and the National Institutes of Health, that appears about as protective as Pfizer-BioNTech’s shot.

A third candidate, from Johnson & Johnson, which would require just one dose, is working its way through the pipeline. Behind that is a candidate from AstraZeneca and Oxford University.

US health experts are hoping a combination of vaccines will ultimately enable the US to conquer the outbreak.

Still, experts estimate at least 70% of the US population will have to be vaccinated to achieve herd immunity, the point at which the virus can be held in check. That means it could be several months before things start to get back to normal and Americans can put away their masks.

All eyes now turn to the FDA staff scientists who will make the final decision of whether to press ahead with large-scale immunizations with Pfizer-BioNTech’s vaccine. The FDA’s vaccine director, Dr. Peter Marks, said a decision would come within “days to a week.”

Dr. William Moss of Johns Hopkins University, who was not involved in the expert panel’s review, welcomed the outcome, saying, “Given how bad the pandemic is now, we need to move.”

The independent review by non-government experts in vaccine development, infectious diseases and medical statistics was considered critical to boosting Americans’ confidence in the safety of the shot, which was developed at breakneck speed less than a year after the virus was identified.

Regulators in both Britain and Canada have already approved the vaccine for use in their countries, and President Donald Trump and White House officials have complained for weeks that the FDA was moving too slowly.

“Americans want us to do a scientific review, but I think they also want us to make sure we’re not wasting time on paperwork as opposed to going forward with the decision,” FDA Commissioner Stephen Hahn said before the meeting.

FDA scientists issued a glowing review of the vaccine earlier in the week. Agency staffers said data from Pfizer’s ongoing study of 44,000 people showed strong protection across different age groups, races and health conditions with no major, unexpected safety problems.

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