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Do I need a booster if I got the Johnson & Johnson vaccine? – Toronto Star

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Do I need a booster if I got the Johnson & Johnson vaccine?

Probably at some point, but health officials still are collecting the data needed to decide.

With boosters being planned in the U.S. as early as the fall for those who got the two-shot Pfizer and Moderna vaccines, recipients of the single-dose J&J jab might be wondering just how well their protection is holding up.

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All the vaccines used in the U.S. — including the J&J vaccine — still are doing their job of preventing hospitalizations and deaths from COVID-19.

“I don’t think there’s any signal that the J&J vaccine is failing at its primary task,” said Dr. Amesh Adalja, an infectious disease specialist at the Johns Hopkins Bloomberg School of Public Health.

Despite continued protection against severe disease, U.S. officials are planning to offer Pfizer and Moderna boosters eight months after the second shot based on evidence that effectiveness against infection wanes over time. Adding to the decision, the vaccines don’t appear quite as strong against the highly contagious delta variant as they were against earlier versions of the virus.

U.S. Surgeon General Vivek Murthy said boosters “will likely be needed” for the J&J vaccine. Authorities expect more data to decide in the coming weeks.

That’s in part because the J&J rollout didn’t start until March, several months after Pfizer and Moderna vaccinations began. The J&J shot is made differently. And there’s more data about how the Pfizer and Moderna vaccines fare against delta because they’re more widely used in countries where the variant struck before its U.S. surge.

There is some real-world data showing J&J’s shot holds up against the delta variant. A huge study of health workers in South Africa showed the vaccine remains highly effective against hospitalizations and death from the variant. And the vast majority of so-called “breakthrough“ infections in vaccinated people were mild.

J&J has also presented lab data on virus-fighting antibodies that indicates its vaccine protects against the delta variant for eight months and counting. Another small lab study has raised questions about whether a two-dose approach would work better, an option J&J is studying.

A separate issue is whether people with severely weakened immune systems should get extra shots as part of their original vaccinations, since they don’t respond as well to any vaccines. The government now recommends a third shot of the Pfizer or Moderna vaccines for organ transplant recipients and others in this group. But it’s still collecting data before making a similar recommendation for another dose of the J&J vaccine.

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The AP is answering your questions about the coronavirus in this series. Submit them at: FactCheck@AP.org. Read more here:

What should I know about the delta variant?

Should vaccinated people mask up with COVID-19 cases rising?

Can I get ‘long COVID’ if I’m infected after vaccination?

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RCMP warn about benzodiazepine-laced fentanyl tied to overdose in Alberta – Edmonton Journal

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Grande Prairie RCMP issued a warning Friday after it was revealed fentanyl linked to a deadly overdose was mixed with a chemical that doesn’t respond to naloxone treatment.

The drugs were initially seized on Feb. 28 after a fatal overdose, and this week, Health Canada reported back to Mounties that the fentanyl had been mixed with Bromazolam, which is a benzodiazepine.

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Mounties say this is the first recorded instance of Bromazolam in Alberta. The drug has previously been linked to nine fatal overdoses in New Brunswick in 2022.

The pills seized in Alberta were oval-shaped and stamped with “20” and “SS,” though Mounties say it can come in other forms.

Naloxone treatment, given in many cases of opioid toxicity, is not effective in reversing the effects of Bromazalam, Mounties said, and therefore, any fentanyl mixed with the benzodiazepine “would see a reduced effectiveness of naloxone, requiring the use of additional doses and may still result in a fatality.”

Photo of benzodiazepine-laced fentanyl seized earlier this year by Grande Prairie RCMP after a fatal overdose. edm

From January to November of last year, there were 1,706 opioid-related deaths in Alberta, and 57 linked to benzodiazepine, up from 1,375 and 43, respectively, in 2022.

Mounties say officers responded to about 1,100 opioid-related calls for service, last year with a third of those proving fatal. RCMP officers also used naloxone 67 times while in the field, a jump of nearly a third over the previous year.

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CFIA continues surveillance for HPAI in cattle, while sticking with original name for disease – RealAgriculture

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The Canada Food Inspection Agency will continue to refer to highly pathogenic avian influenza in cattle as HPAI in cattle, and not refer to it as bovine influenza A virus (BIAV), as suggested by the American Association of Bovine Practitioners earlier this month.

Dr. Martin Appelt, senior director for the Canadian Food Inspection Agency, in the interview below, says at this time Canada will stick with “HPAI in cattle” when referencing the disease that’s been confirmed in dairy cattle in multiple states in the U.S.

The CFIA’s naming policy is consistent with the agency’s U.S. counterparts’, as the U.S. Animal and Plant Health Inspection Service has also said it will continue referring to it as HPAI or H5N1.

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Appelt explains how the CFIA is learning from the U.S. experience to-date, and how it is working with veterinarians across Canada to stay vigilant for signs of the disease in dairy and beef cattle.

As of April 19, there has not been a confirmed case of HPAI in cattle in Canada. Appelt says it’s too soon to say if an eventual positive case will significantly restrict animal movement, as is the case with positive poultry cases.

This is a major concern for the cattle industry, as beef cattle especially move north and south across the U.S. border by the thousands. Appelt says that CFIA will address an infection in each species differently in conjunction with how the disease is spread and the threat to neighbouring farms or livestock.

Currently, provincial dairy organizations have advised producers to postpone any non-essential tours of dairy barns, as a precaution, in addition to other biosecurity measures to reduce the risk of cattle contracting HPAI.

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Toronto reports 2 more measles cases. Use our tool to check the spread in Canada – Toronto Star

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Canada has seen a concerning rise in measles cases in the first months of 2024.

By the third week of March, the country had already recorded more than three times the number of cases as all of last year. Canada had just 12 cases of measles in 2023, up from three in 2022.

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