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COVID-19 boosters will change the definition of fully vaccinated, says U.K. PM – National

British Prime Minister Boris Johnson on Monday said the definition of fully vaccinated would have to be adjusted to account for third “booster” COVID-19 shots.

However, he did not give a time-frame for the move.

“It’s very clear that getting three jabs, getting your booster, will become an important fact and it will make life easier for you in all sorts of ways,” Johnson said at a news conference.

“We will have to adjust our concept of what constitutes a full vaccination to take account of that, and I think that is increasingly obvious.”

READ MORE: When could COVID-19 vaccine boosters be open for all adults? Timing is everything, experts say

The current definition of fully vaccinated means a person has received a full course of a vaccine authorized for use against COVID-19, which typically requires two doses of that vaccine.

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But questions about how long the heightened immune response will last in the fact of the highly contagious Delta variant have prompted some countries to begin moving on rolling out third booster doses, with the U.K. now extending that eligibility to people over the age of 40.

The state of California in the U.S. has also opened up booster eligibility, while officials in Canada remain cautious about recommending boosters unless someone is immunocompromised or highly vulnerable.

READ MORE: COVID-19 vaccine boosters for all adults is a ‘slippery slope,’ expert warns

Some provinces began rolling out guidelines for giving boosters earlier this fall, and suggested boosters could be available for the general population within months.

Doing so, though, was considered an off-label use of the vaccines until Health Canada last week formally authorized both Pfizer and Moderna booster doses.

The National Advisory Committee on Immunization has not yet issued guidance on the ideal time for the general population to get boosters, with experts saying the caution is about attempting to find the immunological sweet spot when a third dose will be most effective.


Click to play video: 'Booster shots fastest way for U.S. population to increase immunity to COVID-19: Dr. Gottlieb'







Booster shots fastest way for U.S. population to increase immunity to COVID-19: Dr. Gottlieb


Booster shots fastest way for U.S. population to increase immunity to COVID-19: Dr. Gottlieb







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