Approximately 40% of Canadian adults who received two doses did not return after the third dose
COVID-19 Booster, slumping enthusiasm for federal health authorities Faced Thursday, he urged Canadians to "up-to-date" the vaccine to prepare for the possibility of COVID-19 coming back weeks or months in the future.
"To be precise, what does the latest vaccination mean? I'll clarify," Federal Health Minister Jean-Eve Duclos said in a briefing on Thursday. .. "Up-to-date means having received the last dose in the last 9 months."
Does the person who received the first booster qualify for the second or third Duclos? You need to check.
"But my message today is, more specifically, a message to those who haven't received the first booster yet." About a Canadian adult who made two shots. 40% have not returned to one-third.
Duclos said that immunity from the two doses a person would have received in 2021 has diminished. "It may have been infected, but it can be re-infected with all failures, including the risk of developing symptoms such as high risk and long COVID."
However, the timing, severity, and even possibility of fresh waves are unknown, and questions have been created about when to boost, now, or wait for the fall confusion. Many are asking if you would like to withhold Omicron-specific shots rather than another round of the original vaccine.
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Canadian vaccination advisors are a fall shot for those at high risk of serious illnessIs recommended. COVID, especially those over 65, regardless of the number of previous shots. The panel has issued weaker "may be offered" recommendations for fall boosters for everyone between the ages of 12 and 64.
This week,US drug regulator advisersaid the booster must contain at least some versions of Omicron. .. Dr. Mark Sawyer of the University of California, San Diego said:
Globally, cases of COVID are increasing and are caused by new Omicron submutants, including BA.5, the "worst version of the virus" ever seen. .. "It already takes widespread antigenic escape to the next level."
If you haven't received a single COVID vaccine yet, "knowing that it's never too late to get started." Please, "Duclos said on the eve of Canada Day, where city officials and residents are a little nervous in Ottawa.
In Canada, the number of reported COVID cases and hospitalizations have declined in many regions, Tam said. However, in some areas, the proportion of lab tests that return positive and rising wastewater signals is increasing. Subvariants BA.4 and BA.5 also explain the increased proportion of sequenced variants. Given that both are more contagious than their parent, Omicron, and are more capable of avoiding immunity from past infections and vaccinations, it is reasonable to expect more cases in the coming weeks. ". Tam said.
Moderna and Pfizer have "divalent" shots that combine the original vaccine with protection against the original Omicron. They also provide some additional protection against Omicron's cousins BA.4 and BA.5, but with a lower immune response.
To be precise, there is still "significant uncertainty about when people should receive additional booster immunization and exactly what the prescription is." "There is," said Dr. Matthew Tunis, Secretary-General of the National Advisory Board, about immunity. He said people should listen to local public health authorities. Different jurisdictions may have different start dates for the Fall Booster Program.
No company has yet applied for a broader repertoire of COVID-19 vaccines from Health Canada. Canada will evaluate the new vaccine when it is "loaded," according to Tam. Canada will have access to new formulations as part of Pfizer's contract with Moderna, Duclos said.
Still, Tam said it wasn't clear how much benefit the represcribed vaccine would bring, suggesting that people shouldn't wait. "They may offer some minor benefits, and we need to handle it."
Canada has a third dose to most other G7 countries. I am behind in taking it. The government has discarded about 1.2 million Moderna vaccines that expired earlier this spring.
"Some people were wondering if they were just infected and why they should receive the third dose," Tam said. She said the immunity from the infection diminished over time and the virus was changing. However, the vaccine still withstands serious consequences, including death.
National Post
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