Flu vaccination rates dipped last year in B.C. after problems with the vaccine composition poorly matching the prevalent influenza virus.

Deadlier flu season may be brewing for B.C.

Vaccine mismatch unlikely to impede protection this year, but most dangerous H3N2 strain expected to be dominant

B.C. may be in for one of the deadliest flu seasons in recent years and public health officials are hoping more at-risk residents get vaccinated.

But they’re facing an uphill battle – use of the influenza vaccine dipped to around 35 per cent of the B.C. population last flu season, after peaking a year earlier at nearly 40 per cent.

Dr. Danuta Skowronski, an epidemiologist with the B.C. Centre for Disease Control, said she believes some people skipped the vaccine last year following disclosure that the 2014-15 vaccine gave virtually no protection against the flu strain that ended up circulating.

That mismatch problem doesn’t appear to have resurfaced this year, however.

Skowronski said signs so far indicate the more dangerous H3N2 influenza strain will dominate this flu season and “pack quite a wallop” following a relatively mild H1N1-dominant flu season last winter.

“H3N2 viruses are associated with the greatest disease burden – more intense, severe epidemics, more hospitalizations and deaths,” Skowronski said. “A number of us are concerned that it’s H3N2 we’re likely facing this year. We are already picking up care facility outbreaks due to H3N2 viruses. That is very early.”

The new vaccine formulation includes an H3N2 component that so far appears to be a good match to the strain in circulation so far.

“That can change. That can flip flop. But at least going into the season, that’s looking promising.”

She added that how well the vaccine fits the virus is only one of the factors that drives the effectiveness of flu vaccines.

The H3N2 vaccine effectiveness has traditionally hovered around 50 per cent, she added, so even if it’s well matched against what’s circulated, protection is not assured.

“It doesn’t mean that you are invincible if you get the vaccine, but I’m certainly expecting more decent protection than had I been picking up signals in the circulating virus that it was drifting away from the vaccine component.”

Skowronski said she hopes high-risk people in particular – the elderly and those with chronic medical conditions – aren’t dissuaded from taking the vaccine this time.

“The vaccine can be a life saver and it would really be a tragedy if they chose not to get the vaccine because one year happened to be a miss on the match.”

National statistics show the worst flu season of the last five years – 2014-15 – resulted in nearly 600 deaths across Canada and more than 7,700 hospitalizations from confirmed cases.

But Skowronski cautioned that any statistics of that sort grossly undercount actual deaths because most victims are never tested to confirm a flu virus.

For more information on who is eligible for free flu shots and where to get them see immunizebc.ca and the site’s flu clinic locator.

Just Posted

Cannabis framework adjustments could allow up to 14 stores in Penticton

The city policy on retail cannabis stores could see some changes as council examines amendments

Road closures for Penticton Peach City marathon

Road closures will be in effect for parts of Penticton on Sunday

Update: Mother dead, youth in critical condition after carbon monoxide poisoning at Sandy Point Campground

The woman was found unresponsive insider her tent and the youth was taken via air ambulance to hospital

Penticton offers free social and fitness program

Weekly program designed for adults aged 55 to 70 with cognitive or developmental disabilities

Penticton Indian Band councillor trying for federal seat

Joan Phillip acclaimed as NDP candidate for Central Okanagan-Similkameen-Nicola

Video: Boating season launches at Penticton’s Skaha Marina

Skaha Marina has new owners, a new plan, and a new attitude

Okanagan adventurer continues motorcycle trip around the world

Vernon local James Leigh recently completed the third of five legs of the journey, travelling through China and Kazakhstan

Riders “step up” their game at Coldstream Equestrian Clinic

Riders from across the Okanagan travelled to Coldstream to train for the 2019 55+ Senior Games, which take place in Kelowna this fall.

Canada’s parole officers say correctional system has reached breaking point

About half of Canada’s federal parole officers work inside penitentiaries and correctional institutions

Montreal researchers create audible hockey puck for visually impaired players

Three years ago, Gilles Ouellet came up with the idea for a puck that makes a continuous sound

Boy, 12, arrested after allegedly pulling a knife on another child at a Surrey park

The child was later released into his parents’ custody as Surrey RCMP continue their investigation

ICBC urging drivers to slow down this May long weekend

Speed is number one cause of car crash fatalities: ICBC

Bucks hammer Raptors 125-103 to take 2-0 playoff series lead

Toronto heads home in a hole after second loss to Milwaukee

Full-scale search underway for missing kayaker on Okanagan Lake

Kelowna Paddle Centre member Zygmunt Janiewicz, 71, failed to return from his ‘daily kayak’ on the lake

Most Read