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Your questions answered by London's acting medical officer of health – CBC.ca

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It’s been almost three weeks since the discovery of Omicron, the latest variant to emerge from the COVID-19 pandemic.

Ontario’s science table shows Omicron has a reproduction rate roughly three times that of Delta — and a doubling time for cases of only three days. Officials around the world are now pivoting to boost protection measures. 

Dr. Alex Summers, the London region’s acting medical officer of health, took your questions Thursday on London Morning. Here’s some of what you had on your mind.

The following has been edited for clarity. 

Q: What are we seeing in the community? 

A: We’re seeing exponential growth driven by the Omicron variant in our community, and I’m saddened and disheartened. We’ve been at this for a long time. But I’m encouraged by the fact that we as a community have rallied against this before, and that we will continue to do so. I also have a lot of sympathy for everyone who’s realizing that yet again, this holiday season isn’t going to feel like it used to in the past, nor like we would want it to. 

Q: When are more vaccines expected in the region? What are the plans to ramp up the mass vaccination clinics? 

A: We’ve been ramping up operations at the mass vaccine clinic all this past week. An additional 7,000 appointments were added between last Friday and Christmas Eve. And as we announced earlier this week, we’re looking at significant additional capacity in early January. 

Our pharmacies in our region are also ramping up. We will see more and more product coming from the province to those pharmacies. So you will soon see a rapid flooding of the region with vaccine. The challenge is demand, obviously, has gone up very quickly, so it is going to be a challenge I think, particularly come Monday, when those 18 and older are eligible for people to find an appointment in the immediate future. We are continuing to add as many appointments as we can, but this is a very, very, very rapid ramp up and only so much is possible. But we’re going as hard as we can. 

Q: My child and I are in self-isolation right now. Should I be booking my third vaccine on Monday? 

A: The most important thing right now for you is to remain in self-isolation. Once you’re out of that self-isolation period, which is 10 days, then it would be appropriate to book a dose as soon as possible for your booster dose. The challenge is that the booster dose will still take five to seven days to get a robust response and so on. If you’ve been exposed before that, the booster dose unfortunately isn’t going to make an impact at this point in time. But if you again stay in safe self-isolation and once you’re out of that, immediately try and book an appointment as soon as possible.

Q: I received the AstraZeneca and Pfizer. What should I expect for a booster? 

A:  You and many others are in a position where you may have received different doses for your first and second. It doesn’t matter which type of vaccine, whether it’s Moderna or Pfizer, you receive for your third dose. Certainly, the difference in the effectiveness and the boost that you will get is marginal to the point that it does not matter. So you can get either Pfizer or Moderna for your third dose. Both will be effective at giving you that boost. 

Q: How long will it take for the booster to be effective? 

A: With all vaccines, we always give the immune system a two-week window to maximize the effectiveness. We do estimate that with this booster dose, early effectiveness is likely at the five to seven day mark after you receive the vaccine, with full protection again at that two week mark. 

Q: My child tested positive in October. Will he test positive on a take-home test now? 

A: We have seen people continue to test positive after having COVID 90 days or more after they had it. So if your child tested positive back in October, I would avoid using those tests right now. He may come back positive and it might just be the residual virus that’s no longer replicating from when he was sick the first time. So I would hold off until after that 90 day mark from when he was diagnosed with COVID. 

Q: What settings have the majority of cases been coming from in recent days in London? Schools, workplaces, private gatherings? 

A: Three weeks ago, we were seeing a majority of our cases from Delta and they were happening in unvaccinated areas and in close social private gatherings. That is now changing. We are seeing cases and we are seeing so many cases that sometimes it’s hard for us to pinpoint exactly where they’re coming from. At this point, we are seeing cases from all walks, schools, workplaces, larger public gatherings that are indoors. 

Certainly any social environment where people are spending a lot of time indoors and potentially without a mask are at high risk. We’ve also seen significant transmission among amateur sports. The hockey tournament world is a blast because of the way that people get to spend time with each other, but it’s also therefore an opportunity for Omicron to spread. So we are going to be again providing additional messages to folks: It’s time to cancel those plans. It’s time to take a pause on certain amateur sports. 

Q: When can we anticipate more rapid tests being offered free here in London?

I don’t have a definitive answer. Speaking to the province yesterday, asking when those rapid tests might be arriving in our region, I don’t have clarity on that timeline yet. Apologies. But we continue to advocate to the province for access to those tests in our region. 

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Canada to donate up to 200,000 vaccine doses to combat mpox outbreaks in Africa

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The Canadian government says it will donate up to 200,000 vaccine doses to fight the mpox outbreak in Congo and other African countries.

It says the donated doses of Imvamune will come from Canada’s existing supply and will not affect the country’s preparedness for mpox cases in this country.

Minister of Health Mark Holland says the donation “will help to protect those in the most affected regions of Africa and will help prevent further spread of the virus.”

Dr. Madhukar Pai, Canada research chair in epidemiology and global health, says although the donation is welcome, it is a very small portion of the estimated 10 million vaccine doses needed to control the outbreak.

Vaccine donations from wealthier countries have only recently started arriving in Africa, almost a month after the World Health Organization declared the mpox outbreak a public health emergency of international concern.

A few days after the declaration in August, Global Affairs Canada announced a contribution of $1 million for mpox surveillance, diagnostic tools, research and community awareness in Africa.

On Thursday, the Africa Centres for Disease Control and Prevention said mpox is still on the rise and that testing rates are “insufficient” across the continent.

Jason Kindrachuk, Canada research chair in emerging viruses at the University of Manitoba, said donating vaccines, in addition to supporting surveillance and diagnostic tests, is “massively important.”

But Kindrachuk, who has worked on the ground in Congo during the epidemic, also said that the international response to the mpox outbreak is “better late than never (but) better never late.”

“It would have been fantastic for us globally to not be in this position by having provided doses a much, much longer time prior than when we are,” he said, noting that the outbreak of clade I mpox in Congo started in early 2023.

Clade II mpox, endemic in regions of West Africa, came to the world’s attention even earlier — in 2022 — as that strain of virus spread to other countries, including Canada.

Two doses are recommended for mpox vaccination, so the donation may only benefit 100,000 people, Pai said.

Pai questioned whether Canada is contributing enough, as the federal government hasn’t said what percentage of its mpox vaccine stockpile it is donating.

“Small donations are simply not going to help end this crisis. We need to show greater solidarity and support,” he said in an email.

“That is the biggest lesson from the COVID-19 pandemic — our collective safety is tied with that of other nations.”

This report by The Canadian Press was first published Sept. 13, 2024.

Canadian Press health coverage receives support through a partnership with the Canadian Medical Association. CP is solely responsible for this content.

The Canadian Press. All rights reserved.

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How many Nova Scotians are on the doctor wait-list? Number hit 160,000 in June

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HALIFAX – The Nova Scotia government says it could be months before it reveals how many people are on the wait-list for a family doctor.

The head of the province’s health authority told reporters Wednesday that the government won’t release updated data until the 160,000 people who were on the wait-list in June are contacted to verify whether they still need primary care.

Karen Oldfield said Nova Scotia Health is working on validating the primary care wait-list data before posting new numbers, and that work may take a matter of months. The most recent public wait-list figures are from June 1, when 160,234 people, or about 16 per cent of the population, were on it.

“It’s going to take time to make 160,000 calls,” Oldfield said. “We are not talking weeks, we are talking months.”

The interim CEO and president of Nova Scotia Health said people on the list are being asked where they live, whether they still need a family doctor, and to give an update on their health.

A spokesperson with the province’s Health Department says the government and its health authority are “working hard” to turn the wait-list registry into a useful tool, adding that the data will be shared once it is validated.

Nova Scotia’s NDP are calling on Premier Tim Houston to immediately release statistics on how many people are looking for a family doctor. On Tuesday, the NDP introduced a bill that would require the health minister to make the number public every month.

“It is unacceptable for the list to be more than three months out of date,” NDP Leader Claudia Chender said Tuesday.

Chender said releasing this data regularly is vital so Nova Scotians can track the government’s progress on its main 2021 campaign promise: fixing health care.

The number of people in need of a family doctor has more than doubled between the 2021 summer election campaign and June 2024. Since September 2021 about 300 doctors have been added to the provincial health system, the Health Department said.

“We’ll know if Tim Houston is keeping his 2021 election promise to fix health care when Nova Scotians are attached to primary care,” Chender said.

This report by The Canadian Press was first published Sept. 11, 2024.

The Canadian Press. All rights reserved.

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Newfoundland and Labrador monitoring rise in whooping cough cases: medical officer

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ST. JOHN’S, N.L. – Newfoundland and Labrador‘s chief medical officer is monitoring the rise of whooping cough infections across the province as cases of the highly contagious disease continue to grow across Canada.

Dr. Janice Fitzgerald says that so far this year, the province has recorded 230 confirmed cases of the vaccine-preventable respiratory tract infection, also known as pertussis.

Late last month, Quebec reported more than 11,000 cases during the same time period, while Ontario counted 470 cases, well above the five-year average of 98. In Quebec, the majority of patients are between the ages of 10 and 14.

Meanwhile, New Brunswick has declared a whooping cough outbreak across the province. A total of 141 cases were reported by last month, exceeding the five-year average of 34.

The disease can lead to severe complications among vulnerable populations including infants, who are at the highest risk of suffering from complications like pneumonia and seizures. Symptoms may start with a runny nose, mild fever and cough, then progress to severe coughing accompanied by a distinctive “whooping” sound during inhalation.

“The public, especially pregnant people and those in close contact with infants, are encouraged to be aware of symptoms related to pertussis and to ensure vaccinations are up to date,” Newfoundland and Labrador’s Health Department said in a statement.

Whooping cough can be treated with antibiotics, but vaccination is the most effective way to control the spread of the disease. As a result, the province has expanded immunization efforts this school year. While booster doses are already offered in Grade 9, the vaccine is now being offered to Grade 8 students as well.

Public health officials say whooping cough is a cyclical disease that increases every two to five or six years.

Meanwhile, New Brunswick’s acting chief medical officer of health expects the current case count to get worse before tapering off.

A rise in whooping cough cases has also been reported in the United States and elsewhere. The Pan American Health Organization issued an alert in July encouraging countries to ramp up their surveillance and vaccination coverage.

This report by The Canadian Press was first published Sept. 10, 2024.

The Canadian Press. All rights reserved.

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