Immunosuppressed May Need 4th COVID-19 Vaccine Booster, CDC Says – National – .

Immunosuppressed May Need 4th COVID-19 Vaccine Booster, CDC Says – National – .

Anyone with moderate or severe pre-existing conditions or illnesses may need a fourth booster to adequately protect them from COVID-19, according to updated guidance from the United States Centers for Disease Control and Prevention .

The guidelines – released on Monday – said a fourth dose could be given with any vaccine approved for use, including Janssen’s single-dose and mixed-dose regimens.

“After the completion of a primary series of mRNA and an additional dose of mRNA vaccine, moderately and severely immunocompromised people are eligible for a booster dose,” the updated guidelines say.

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Anyone eligible for the recall must wait at least six months between their third and fourth shot, the CDC added.

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Health Canada has not authorized a third booster dose with any vaccine, although the National Advisory Committee on Immunization (NACI) has recommended that seniors and residents of long-term care facilities should are offered a third dose of an mRNA vaccine at least six months after completing their two-shot series. NACI also supported a third blow for some immunocompromised people.

As such, Health Canada called the recommendation “off-label” in an emailed statement to Global News.

“Informed consent should include a discussion of what is known and unknown about the risks and benefits of giving a booster dose, including the off-label status of NACI’s recommendation,” the Health statement says. Canada.

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The CDC has recommended a third dose of mRNA – rather than a booster shot – for immunocompromised people who are at least 18 years old at the start of the month, advising that they be given at least 28 days after the end of their treatment. series of two doses.

“Studies have shown that some immunocompromised people do not always develop the same level of immunity after vaccination as non-immunocompromised people and may benefit from an extra dose to ensure adequate protection against COVID-19,” said the CDC.

Several Canadian provinces have also adopted the policy for the elderly, based on the recommendation of NACI.

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Clinics in British Columbia began distributing third doses to groups of people most likely to be hospitalized on Tuesday. In Manitoba, seniors, long-term care residents, frontline healthcare workers, and anyone living in a First Nations community are eligible for a recall. Alberta began offering third doses to seniors living in collective care facilities and to people with compromised immune systems last month.

Quebec has also started administering third doses to people living in long-term care facilities and private seniors’ residences. Meanwhile, Nova Scotia is also offering a third dose for those who are “moderately to severely immunocompromised or taking drugs that significantly suppress their immune system.”

Ahead of NACI’s recommendations in September, Ontario became the first Canadian province in August to begin distributing booster injections to the vulnerable population, including those who received transplants, patients with hematologic cancer and residents. long-term care homes.

– with files from Saba Aziz

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