Experts highlight a new H3N2 variant, subclade K, as a major factor in the recent surge of flu cases in Canada, Japan, and the U.K. The variant is causing more severe symptoms. Those at higher risk include older adults, young children, immunocompromised individuals, pregnant people, and those with chronic conditions.
Experts point to the new variant as a main driver of a spike in flu cases in Canada, Japan, and the U.K. Of nearly 150 test samples that were registered as the H3 lineage, over 50% were subclade K, according to theMonday.
"It's not too late now. It takes about two weeks to develop antibodies that will decrease the rate of serious hospitalizations and illnesses and even death, even though it may not be a perfect match for ."notes that those who are most vulnerable to the flu overall include older adults over 65, children under the age of 5, anyone who is immunocompromised, pregnant people, and also people with underlying chronic conditions, such as diabetes, heart disease or lung disease.Doctors warn that flu infections aren't the same as the common cold and can increase the risk of complications such as ear infections and sinus infections, as well as more serious complications such as pneumonia, hospitalization, and even death, if left untreated or not treated early enough. Cases of H3N2 viruses tend to cause slightly more severe symptoms than other strains such as the H1N1 virus, according to"You'll usually develop about one to four days after being exposed, and it feels like being hit by a truck," said Narula. "It's different from a cold, so you're going to have fever, muscle aches, headaches, chills, sore throat, cough, runny nose, stuffy nose, maybe even vomiting and diarrhea."To treat influenza infections, doctors recommend staying at home if you have any flu-like symptoms and to seek medical treatment sooner than later. Doctors may prescribe antiviral medications, according to
Influenza Flu H3N2 Variant Symptoms Public Health
United States Latest News, United States Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
New H3N2 Flu Strain Hits the US: What to KnowThe emergence of the H3N2 variant has led experts to warn that this flu season could be particularly severe.
Read more »
New 'NYC Noise' app allows New Yorkers to police ear-piercing racket around the cityToday's Video Headlines 11/20/25
Read more »
Times Square unveiling new ball for 2026 New Year's Eve celebrationThe New Year's Eve ball drop in Times Square is getting a makeover as organizers are unveil a new crystal ball Monday in New York City.
Read more »
New USDA website centralizes info in fight against New World screwworm parasite threatening U.S. livestockThe U.S Department of Agriculture (USDA) has launched a new website to centralize federal agencies as they work together to protect livestock, wildlife, and the public’s health against the New World screwworm parasite.
Read more »
How to protect kids amid new subclade K flu strainAs families gather for Thanksgiving, here's what to know to protect your family from the new subclade K flu strain.
Read more »
New Flu Strain Subclade K Spreads: What You Need to KnowA new variant of the H3N2 flu virus, subclade K, is driving a surge in flu cases in several countries, including Canada, Japan, and the U.K. Experts highlight the importance of vaccination, even if the vaccine isn't a perfect match. The article details symptoms, high-risk groups, and the potential severity of the illness, especially in vulnerable populations. It stresses that flu is different from a cold and can lead to serious complications.
Read more »