You may not use the 4th: Why Manitoba refuses to loosen criteria for COVID-19 vaccine doses
Adults in Ontario, Quebec, Alberta can get 4th COVID-19 vaccine dose, but that's not an option for Manitobans
In Ontario and Alberta, anyone 18 or older can go out get a fourth dose of a COVID-19 vaccine five months after they received their third jab.
In Quebec, anyone 18 or older can get that fourth dose three months after their third.
Manitoba is not following suit.Dr. Brent Roussin, the chief provincial public health officer, said this week the province has no plans to expand fourth-dose eligibility beyond the current criteria.
Right now, that's limited to any Manitoban50 or older,Indigenous people 30 and up,and adults with serious health issues or compromised immune systems.
Dr. Alex Wong, a Regina infectious disease doctor, said restricted access doesn't make sense.
"Given the relative lack of uptake of vaccine in general combined with the availability of the vaccine in large amounts, I don't see any practical reason why any province should restrict access to fourth doses," he said Friday via email.
But Roussin offered several reasons Manitoba is staying the course oneligibility.
For starters, he said, fourth doses don't offer much more protection against COVID-19 for people who are not at risk of hospitalization or death if they contract the illness.
"Looking at severe outcomes, we see those who have that initial booster [their third shot] are still well protected against severe outcomes," Roussin said at a Wednesdayvaccine briefing.
"The fourth dose isn't showing us significant benefitoutside those who are high risk, and [they] are already eligible for that fourth dose."
WATCH | Dr. Brent Roussin on why Manitoba isn't expanding 4th-dose eligibility now:
Roussin went on to say what more Manitobans really ought to do is get their third COVID vaccine shotssomething he said would go a long way to providing more people with better immunity.
This province continues to lag behind most others when it comes to third doses. Only 44.3 per cent of Manitobans are triplevaxed, compared to anational average is 49.3 per cent, Health Canada says. Among the provinces, only Saskatchewan and Alberta have lower triple-vax rates.
"The larger issues fall around encouraging people to go and get their doses done," said Regina's Dr. Wong. "There's so little enthusiasm for it and so little effective messaging from policy makers and the like."
Holding out for better vaccines
Nonetheless, Roussin's exhortations to improve third-dose uptake come in contrast with complaints this spring Manitoba has not done enough to extol the benefits of booster shots.
Logically, however, the failure to convince reluctantManitobans to get a third dosedoes not explain the rationale for denying willing Manitobans a fourth dose.
Roussin provided a second reason for maintaining fourth-dose criteria: A better vaccine may be on the way.
"In early fall, there's a real chance of a bivalent vaccinethat we begin our fall campaign with,that is going to be very likely more effective against the newer variants that we're dealing with," Roussin said Wednesday.
The COVID-19 vaccines currently available are "monovalent"vaccines, whichwere developed with the original strain of the virus in mind.
A bivalent vaccine,likeone Moderna is developing,would target specific portions of the virus seen in both the original strain and newer strains.
"Because there's going to be a three- to six-month interval between doses, a largefourth-dosecampaign right now could potentially delay the receipt of a possibly better vaccine in the fall," said Roussin.
However, this is something of a straw man. No one is calling for a large campaign right now.
As Health Minister Audrey Gordon said this week, the province is planning a booster push for the fall, when the weather gets colder, more activities move indoors and COVID-19 can spread more easily.
There are, however, some Manitobans who have expressed a desire to top up their immunity now even though they know a better vaccine may be on the way. Many people in their 40s, for example, received their third doses eight or nine months ago and are concerned about waning immunity.
"Even if I got a 20 per cent efficacy increase, that would be better than zero," said Alan Simpson, a 46-year-oldWinnipeg resident who is too young to receive a fourth dose, but wantssome peace of mind because he's worried aboutconveying COVID to his elderly parents.
In essence, Manitoba Public Health isproviding something of a mixed message to most adults in this province.
In March, when the province eliminated mask mandates, Roussin said it was up to Manitobans to make their own decisionsabout what level of risk they're willing to tolerate as they go about their daily lives.
Now in July, Roussin is effectively telling Manitobanswho desire a fourth dose theyare not free to make a decision about personal risk tolerance.
He said he basedhis decisionon recommendations from the National Advisory Committee on Immunization. But so did his counterpart in Ontario: Canada's largest provinceonly recommends fourth doses for adultsin one of the COVID risk categories.
But Ontario also just so happens to allow all other adults to get that second booster if they choose to do so.
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