Ontario likely in new COVID wave driven by BA.5 subvariant, science table says Dr. Fahad Razak, scientific director of the group, says the highly infectious BA.5 variant also appears to be more immune evasive, meaning people who were recently infected can catch the virus again soon after. How well does previous infection with COVID-19, MIS-C protect against Omicron?Previous infections protect against other variants but not Omicron, while vaccination does offer protection. NACI recommends fall COVID-19 booster shot in advance of possible future wave Polio virus found in UK sewage samples; risk to public low The U.K. Health Security Agency said it believes the virus was "vaccine-derived,'' meaning it came from someone who received the live polio vaccine abroad. As new variants emerge, fourth COVID-19 shots should be more accessible: experts Canadian influenza vaccine guidelines for 2022-23 now available Include guidance on Supemtek, Canada’s first recombinant influenza vaccine, and Flucelvax Quad, Canada’s first cell-based influenza vaccine. COVID-19 long haulers still experience symptoms 15 months after infection Researchers focused on patients who had mild initial COVID-19 symptoms and did not require hospitalization. Pharmacists at University of Alberta develop a national web-based antibiogram tool Region-specific resource allows clinicians to access local antimicrobial susceptibility data more easily. Updated information about monkeypox and vaccination, as cases rise in Canada A JAMA patient information sheet, NACI guidance on vaccinating high-risk people, and updated Canadian stats. Omicron infection not as good as vaccination in protecting against variants But Omicron, Delta breakthrough infections boost immunity from vaccination. First Previous 60 61 62 63 64 Next Last