Why you should get a 3rd shot even after you've had COVID-19 - Action News
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British Columbia

Why you should get a 3rd shot even after you've had COVID-19

Vaccinated individuals who have recently been infected with COVID-19 should still get a third shot, despite the natural immune response from the infection itself, according to B.C.'s provincial health officer and an SFU expert.

Dr. Bonnie Henry, SFU expert say vaccines enhance immune response more effectively than infection

A health worker prepares a dose of the BioNtech Pfizer Covid-19 vaccine. (Ted Aljibe/AFP/Getty Images)

Vaccinated individuals who have recently been infected with COVID-19 should still get a third shot, despite the natural immune response from the infection itself, according to B.C.'s provincial health officer and an SFU expert.

"When you are feeling better and recovered from that infection, then you can get your booster dose and we do encourage you to get your booster dose," Dr. Bonnie Henry said Tuesday at a news conference.

Ralph Pantophlet, an associate professor in Simon Fraser University's faculty of health sciences, says just as people who were infected prior to the introduction of vaccines were encouraged to get immunized, vaccinated people who are infected should geta third shotpost-recoveryas the level of natural immunity following an infection varies from person to person.

"Even if you've been vaccinatedand have been infected with Delta variant or Omicron variant or whichever variant,you should consider, after a certain period of time after recovery, to get boosted," he said.

"While it is likely that the infection will have naturally boosted your immune response, that infection may not have boosted that immune response as well as a vaccine might."

Pantophlet says vaccines do a better job targeting the spike protein.

"If you get an infection, your immune system is making antibodies or developing an immuneresponseto everything that the virus has to offer, to every protein, which is great,"he said.

"But it is really the spike protein that is the key thing. Sogetting a vaccine will boost immunity or boost the immune response specifically to the spike."

According to theB.C. government's website on boosters, everyone 18 and olderwill be invited toget a thirddose around sixmonths after they received their second shot.

Those who have hadCOVID-19 and are six months from their second dose are encouraged to receive a booster after they've completed a self-isolation period and at least 10 days have passed since the onset of symptoms or, for those without symptoms,the date of apositive test result.