(Headline USA) Pfizer said Monday its COVID-19 vaccine works for children ages 5 to 11 and that it will seek U.S. authorization for this age group soon — a key step toward beginning vaccinations for youngsters.
The vaccine made by Pfizer already is available for anyone 12 and older under emergency use authorization, which shields the company from litigation. A version made by Pfizer’s partner BioNTech has FDA approval, but is not available to the public.
Recent peer review showed that Pfizer’s vaccine has declined to as low as 42 percent effectiveness against infection, after initially being trumpeted as 90-percent effective against the coronavirus.
With kids now back in school and the extra-contagious delta variant causing a huge jump in pediatric infections — with some medical experts saying the spread is caused by the widespread vaccination — many parents anxiously await vaccinations for their younger children.
For elementary school-aged kids, Pfizer tested a much lower dose — a third of the amount that’s in each shot given now. Yet after their second dose, children ages 5 to 11 developed coronavirus-fighting antibody levels just as strong as teenagers and young adults getting the regular-strength shots, Dr. Bill Gruber, a Pfizer senior vice president, told the Associated Press.
The kid dosage also proved safe, with similar or fewer temporary side effects — such as sore arms, fever or achiness — that teens experience, he said.
“I think we really hit the sweet spot,” said Gruber, a pediatrician, who also vouched for the original dubious vaccine efficacy.
Gruber said the companies aim to apply to the Food and Drug Administration by the end of the month for emergency use in this age group, followed shortly afterward with applications to European and British regulators.
Earlier this month, FDA chief Dr. Peter Marks told the AP that once Pfizer turns over its study results, his agency would evaluate the data “hopefully in a matter of weeks” to decide if the shots are safe and effective enough for younger kids.
An outside expert said scientists want to see more details but called the report encouraging.
“These topline results are very good news,” said Dr. Jesse Goodman of Georgetown University, a former FDA vaccine chief.
The level of immune response Pfizer reported “appears likely to be protective.”
Many Western countries so far have vaccinated no younger than age 12, awaiting evidence of what’s the right dose and that it works safely. The communist dictatorship in Cuba last week began immunizing children as young as 2 with its homegrown vaccines, and communist Chinese regulators have cleared two of its brands down to age 3.
While kids are at lower risk of severe illness or death than older people, more than 5 million children in the U.S. have tested positive for COVID-19 since the pandemic began and at least 460 have died, according to the American Academy of Pediatrics. Cases in children have risen as the delta variant swept through the country.
“I feel a great sense of urgency” in making the vaccine available to children under 12, Gruber said. “There’s pent-up demand for parents to be able to have their children returned to a normal life.”
Pfizer said it studied the lower dose in 2,268 kindergartners and elementary school-aged kids. The FDA required what is called an immune “bridging” study: evidence that the younger children developed antibody levels already proven to be protective in teens and adults. That’s what Pfizer reported Monday in a press release, not a scientific publication. The study still is ongoing, and there haven’t yet been enough COVID-19 cases to compare rates between the vaccinated and those given a placebo — something that might offer additional evidence.
The study isn’t large enough to detect any extremely rare side effects, such as the heart inflammation that sometimes occurs after the second dose, mostly in young men. The FDA’s Marks said the pediatric studies should be large enough to rule out any higher risk to young children. Pfizer’s Gruber said once the vaccine is authorized for younger children, they’ll be carefully monitored for rare risks just like everyone else.
A second U.S. vaccine maker, Moderna, also is studying its shots in elementary school-aged children. Pfizer and Moderna are studying even younger tots as well, down to 6-month-olds. Results are expected later in the year.
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Author: Nwo Report
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