Covid-19 vaccine update
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U.S. health officials are preparing to authorize Third dose MRNA Covid-19 vaccine for immunocompromised adults.
Rochelle Varensky, director of the US Centers for Disease Control and Prevention, told reporters at the White House on Thursday that the Food and Drug Administration has been working with vaccine manufacturers Pfizer and Moderna to treat a small number of patients with immune functions. low.
Walenksy said the CDC Immunization Practice Advisory Committee will meet on Friday to discuss this issue.
“Emerging data suggests that certain immunocompromised people, such as those who have received organ transplants and some cancer patients, may not have enough immune responses to just two doses of Covid vaccine,” she said, adding: “Needs To be clear, this is a very small population. We estimate that it is less than 3% of adults.”
“At this time, only certain immunocompromised people may need additional doses,” Varensky said. She cited a study published this week in the New England Journal of Medicine, which showed that after an additional dose of the mRNA Covid-19 vaccine, people with weakened immune systems will produce more antibodies to fight the coronavirus.
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This move is due to the increase in the number of Covid-19 cases and hospitalizations due to the spread of the infectious Delta variant. Valensky said that the United States reported 132,384 infections on Wednesday, bringing the seven-day average number of cases to about 113,000, an increase of 24% from a week ago.
She said that an average of 9,700 patients were admitted to hospital for Covid-19 every day in the past week, an increase of 31% from a week ago.
This increase is most pronounced in the country where vaccination is lagging behind, leading some officials describe The current surge is the “unvaccinated epidemic”.
Earlier on Thursday, Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, told NBC News that “inevitably” everyone needs a third dose of the vaccine.
Fauci said: “There is no vaccine, at least not in this category, it will have an indefinite protective effect.” “Inevitably, there will be a period of time we have to promote.
“At this moment, we will not provide people with boosters except those with weakened immune functions,” he added. “But we will follow them very carefully, and if they really need it, we will be ready to provide it to them.”
White House Covid-19 Response Coordinator Jeff Zients highlighted Fauci’s comments, saying that the United States has sufficient vaccine supply and infrastructure to quickly roll out booster injections when needed.
The Biden administration announced last month It received another 200 million doses of BioNTech/Pfizer Covid-19 vaccine, expanding its total order to 500 million doses, as officials are preparing for the next phase of vaccination, including children under 12 years of age and potential booster injections.
“If a decision is made, we are ready,” Zients said on Thursday. “We have a supply. If science needs it, you will be able to get boosters in a quick and effective way.”
ABC News released internal CDC documents on Wednesday, showing that an estimated 1 million Americans have been vaccinated with an unauthorized third dose of the Covid-19 vaccine.
When asked about these reports, Varensky said that health officials “required people to follow our guidelines and follow APIC [Association for Professionals in Infection Control and Epidemiology] It will say that the FDA will say it in the next few days and follow the recommendations.”
Additional report by Peter Wells in New York