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Since September 1, 2023, the National Microbiology Laboratory Branch (NMLB) has characterized 112 influenza viruses (14 A(H3N2), 90 A(H1N1), and 8 influenza B) received from Canadian laboratories. Antigenic Characterization. Changes in circulating influenza viruses are monitored by antigenic characterization.
Symptoms of the flu. Flu symptoms may vary from person to person. Some people get mildly ill. Others get very sick. Flu symptoms generally appear 1 to 4 days after exposure to the virus. Symptoms usually include the sudden appearance of: fever; cough; muscle aches and pain; Other common symptoms may include: chills; tiredness; headache; sore ...
27 sty 2024 · A total of 4,223 laboratory detections (3,863 influenza A and 360 influenza B) were reported. Among subtyped influenza A detections (491), 82% (404) were influenza A (H1N1). Age information was reported for 3,163 detections. Adults over 65 years reported the highest proportion of detections, 31%.
13 paź 2009 · Presents a guide to help individuals and their families prepare for and protect themselves against the H1N1 flu virus. Describes the symptoms, risks, and how to care for someone who is sick, as well as information to find additional resources from local sources.
15 wrz 2009 · The Public Health Agency of Canada (PHAC) confirms that the Influenza A (H1N1) virus has rapidly spread across the world. While influenza activity would normally be expected to decline during the summer months, surveillance data suggests that the virus has continued spreading within communities.
23 mar 2023 · Symptoms. The symptoms of flu caused by H1N1, commonly called the swine flu, are similar to those of other flu viruses. Symptoms usually start quickly and can include: Fever, but not always. Aching muscles. Chills and sweats. Cough. Sore throat. Runny or stuffy nose. Watery, red eyes. Eye pain. Body aches. Headache. Tiredness and weakness ...
15 kwi 2020 · Published Online April 15, 2020. Last Edited April 15, 2020. Share. From April to December 2009, Canada experienced an outbreak of influenza A (H1N1). The virus began in North America and spread to many other countries in a global pandemic. This new type of flu differed from the typical seasonal flu, and its effects were more severe.
