Updated Covid-19 vaccines for 2023-24 approved by US FDA


By AGENCY

The latest updated Covid-19 vaccines are tailored for the SARS-CoV-2 Omicron XBB.1.5 strain that is circulating widely around the world now. — TNS

The US Food and Drug Administration (FDA) recently approved two updated Covid-19 vaccines.

The new mRNA (messenger ribonucleic acid) vaccines from Moderna and Pfizer/BioNTech are formulated to better target SARS-CoV-2 viral variants that are currently circulating and will replace outdated vaccines.

“The new vaccine that was just approved by the FDA is essentially a Covid vaccine targeting a different strain of the Covid virus than was in the original vaccine or in the bivalent vaccines that came out last year (2022).

“It’s still a Covid vaccine, but it’s now targeting the XBB.1.5 strain, which has been the Omicron-type virus that’s been circulating throughout the United States and most parts of the world since the beginning of this year,” says Mayo Clinic infectious diseases expert Dr Priya Sampathkumar.

On whether or not it is a booster, she says: “It’s not exactly a booster.

"I would liken it to the updated influenza vaccine that comes out each year.

“The influenza vaccine is updated each year as the strains that they protect against change year from year.”

The US Centers for Disease Control and Prevention (CDC) panel of vaccine experts voted to recommend the new 2023-2024 Covid-19 vaccines to all Americans six months of age and older.

“The Covid vaccine definitely should be taken by those at highest risk of complications from Covid, and that includes older people, people with weakened immune systems, very young children.

“These are the people that we are seeing have significant complications from Covid,” says Dr Sampathkumar.

Health experts are also urging people to get vaccinated for influenza.

They say that it is safe to get both the Covid-19 and flu vaccines at the same time.

Both vaccines have been shown to prevent the most serious complications of Covid-19 and the flu, which include hospitalisation and death.

“The (flu) vaccine is recommended for everyone who is six months and older, and the groups that benefit the most from the vaccine, again, are the same kind of people who benefit from the Covid vaccine – older individuals, people who have underlying immune deficiencies, people with underlying heart, lung, liver, kidney disease – because they don’t tolerate influenza as well as others,” says Dr Sampathkumar. – By DeeDee Stiepan/Mayo Clinic News Network/Tribune News Service

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