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'Tridemic' overwhelms Canada's healthcare system: All you need to know

Children are particularly at a higher risk of the so-called tridemic, a triple threat of COVID-19, influenza and respiratory syncytial virus or RSV.

December 05, 2022 / 21:02 IST
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The Canadian healthcare system is struggling in the face of a “tridemic”— a triple threat of COVID-19, influenza (flu) and respiratory syncytial virus (RSV) after a rise in number of patients infected with these respiratory viruses across the country.

The situation has led hospitals across the country to arrange for appropriate measures to handle the extra load, Canada’s Global News said. The "tridemic" is the combination of three flu, Covid-19 and RSV viruses, the report said.

According to the report, respiratory illness cases were on the up this year amid caution from the World Health Organization (WHO).

The neighbouring US, too, is seeking a spike in these cases, particularly among children.  Last month, the CDC reported approximately 40,000 new COVID cases and 2,000 deaths each week in the US, as total deaths reached well over a million since the start of the pandemic over two years ago.

Along with the Covid-19 cases, flu hospitalizations hit a decade high and RSV, saw a record surge in pediatric hospitals.

COVID-19 Vaccine

Frequently Asked Questions

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How does a vaccine work?

A vaccine works by mimicking a natural infection. A vaccine not only induces immune response to protect people from any future COVID-19 infection, but also helps quickly build herd immunity to put an end to the pandemic. Herd immunity occurs when a sufficient percentage of a population becomes immune to a disease, making the spread of disease from person to person unlikely. The good news is that SARS-CoV-2 virus has been fairly stable, which increases the viability of a vaccine.

How many types of vaccines are there?

There are broadly four types of vaccine — one, a vaccine based on the whole virus (this could be either inactivated, or an attenuated [weakened] virus vaccine); two, a non-replicating viral vector vaccine that uses a benign virus as vector that carries the antigen of SARS-CoV; three, nucleic-acid vaccines that have genetic material like DNA and RNA of antigens like spike protein given to a person, helping human cells decode genetic material and produce the vaccine; and four, protein subunit vaccine wherein the recombinant proteins of SARS-COV-2 along with an adjuvant (booster) is given as a vaccine.

What does it take to develop a vaccine of this kind?

Vaccine development is a long, complex process. Unlike drugs that are given to people with a diseased, vaccines are given to healthy people and also vulnerable sections such as children, pregnant women and the elderly. So rigorous tests are compulsory. History says that the fastest time it took to develop a vaccine is five years, but it usually takes double or sometimes triple that time.

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Also Read: COVID confusion in China as authorities row back curbs

What's happening in Canada?

-The Canadian Red Cross is coming to help Children's Hospital of Eastern Ontario (CHEO) after the surge in respiratory illness cases.

-The organisation will be providing small teams to support the CHEO hospital staff, according to Leianne Musselma, Red Cross spokesperson. There is no date to the agreement which will allow the CHEO staff to focus on the clinical tasks, Global News reported.

-CHEO opened a second intensive care unit in November to treat what it called an ''unprecedented number of critically ill babies and children''.

-In Calgary, Alberta Health Services said that it is discharging all children from the Rotary Flames House that helps dying children and their families and is pausing new admissions due to a surge in children with the trident.

-Trident is a term used by health experts and called it a threat of flu, RSV, and COVID-19, according to the American-based website and provider of health information, Healthliner.

-Children's hospitals in Calgary and Edmonton have been at or above 100 percent capacity since last week. Some routine surgeries and appointments at a children's hospital in St John's, Newfoundland are being cancelled next due to the surge in illnesses and admissions, Global News said.

Moneycontrol News
first published: Dec 5, 2022 12:28 pm

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