(READ) CDC stops short of full endorsement on RSV vaccine for older adults

The following is from MedPage Today.

The CDC’s advisors on Wednesday recommended the newly approved respiratory syncytial virus (RSV) vaccines for older adults, but opted not to give their strongest endorsement.

In a series of two votes, the Advisory Committee on Immunization Practices (ACIP) said that adults 60 and older may receive one dose of the recently approved RSV prefusion F protein-based vaccines after discussions with their health provider.

Originally, the CDC had asked ACIP to vote on broadly recommending the vaccines to people 65 and older, but that plan got tweaked during discussions earlier in the day.

Ultimately, the committee voted on recommendations that included that language both for people 60 to 64 years (13-0 vote in favor, with one abstention) and for people 65 and up (9-5 vote in favor).

Other ACIP members, however, wanted the broad recommendation for all of these older adults.

“I think we should remove the clinical decision-making altogether, and just bring the age down to 60,” said Lynn Bahta, RN, MPH, of the Minnesota Department of Health in Saint Paul, suggesting the narrow recommendation might further disparities.

Historically, when the flu vaccine recommendation went from a risk-based recommendation to being recommended for everyone, coverage increased from 38% to 50%.

Throughout the meeting, the ACIP members expressed concerns over the trial data on the RSV vaccines and whether the participants enrolled represented those most at risk for serious outcomes.

“The populations that are at highest risk for severe disease were not included in the trials, and I think that the Covid-19 experience showed us that it is possible to do clinical trials that include people who have comorbidities,” said Beth Bell, MD, MPH, of the University of Washington in Seattle.

Approvals of the two vaccines were based on efficacy data spanning a single RSV season.

During the meeting on Wednesday, manufacturers presented data showing that vaccine efficacy largely held up through the first part of the second RSV season, but did drop slightly.

Data on GSK’s adjuvanted RSV prefusion F protein-based vaccine (Arexvy) showed efficacy against lower-respiratory tract disease (LRTD) dropping from 83% in season one to 77% by the middle of season two, with protection against severe cases dropping from 94% to 85%, respectively.

For Pfizer’s unadjuvanted bivalent RSV prefusion F protein vaccine (Abrysvo), protection against LRTD infections with three or more symptoms dropped from 89% in season one to 79% by the middle of season two, with protection against LRTD infections with two or more symptoms dipping from 65% to 49%.

Potential costs of the vaccine was another issue for ACIP, with developers Pfizer and GSK floating prices ranging from $180 to $295 for the new vaccines.

Other concerns stemmed from hints of lower efficacy when the RSV vaccines were given concurrently with the flu shot, with some members suggesting the shots could not be given at the same time.

The CDC noted that despite a signal for increased risk of Guillain-Barre Syndrome or other neurologic inflammatory events in the trials, the risks of these adverse events were not known, and that the agency would rely on ongoing post-marketing surveillance by manufacturers to continue monitoring these safety concerns.

Link to article here.

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7 thoughts on “(READ) CDC stops short of full endorsement on RSV vaccine for older adults”

  1. scientific gobbledygook. besides, who’s ever heard of ‘discussions’ with one’s health provider?
    more fear, more obfuscation, another tool for control of critical thought. calling it BS, let’s not comply!

  2. They did not approve the vaccine.

    This means that your risks are far greater for the RSV vaccine than for the COVID Vaccines.

  3. The CDC has lab’s so giving that understanding have them check into this New Chemistry ( New Chem.Mol. ) In oncology = By converting Vitamin D into a acid with other Acid’s I found in past this can effect the treatment against Microtoxins and some Anti-fungal treatment .. .More Chemistry research needs to be performed here and studies in oncology area’s..? And in the area of MS disease cell’s treatments study in past = interesting Chemistry calculations I ran across ???

  4. This article and my earthlier post to CDC — > One – Example: A New higher reactive acidic Vitamin D conversion to Acid = New Acidic Vitamin D phosphoprotein group =[ Post-translational modification biosynthesis to proteins ] My Past history Chemical idea applications Field theories in synthesis…Bill Andrews Rochester, IN. { Sharyl’s always posing interest in diseases interest= Agent Scully X-Files ? }

  5. ” How to get Mexico and companies in Mexico more involved in stopping the shipment of Fentanyl ~ > into this country killing over 80,000 Americans ? I can almost tell you within 87% the right answer, that in a years time if you hold out and do exactly what I tell you to do it will make a difference ! The answer = a lot of the Fentanyl is being hid into trucks passing through the border checks , so when you catch these trucks hiding Fentanyl into other items like a semi load of toilets .Start confiscating the Whole trucks and goods as well , and sell the trucks and goods ( But not the Fentanyl ) in a auction highest bidder to outlet stores here in America to pay for Drug operations Anti- Smuggling fines and seizers ? After a while Mexico and Businesses and Trucking businesses there will be so mad, after this goes on for a while they will put a stop to people hiding drugs in there goods and Trucking companies headed to America ? = New Border Patrol smarty pants dance !

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