{"id":4649,"date":"2024-02-19T14:17:00","date_gmt":"2024-02-19T19:17:00","guid":{"rendered":"https:\/\/stillcoviding.ca\/en\/?p=4649"},"modified":"2024-02-26T23:14:38","modified_gmt":"2024-02-27T04:14:38","slug":"canadian-data-show-moderate-to-good-vaccine-efficacy-against-covid-flu","status":"publish","type":"post","link":"https:\/\/stillcoviding.ca\/en\/news\/canadian-data-show-moderate-to-good-vaccine-efficacy-against-covid-flu\/","title":{"rendered":"Canadian data show moderate to good vaccine efficacy against COVID, flu"},"content":{"rendered":"<p>The Canadian Sentinel Practitioner Surveillance Network (SPSN) data reveal mid-season vaccine effectiveness (VE) against the SARS-CoV-2 Omicron XBB.1.5 variant of 47% against medically attended outpatient COVID-19 and 67% among previously infected people.<\/p>\n<p>The same test-negative case-control study reports that the flu vaccine is 63% effective against medically attended outpatient infection with the influenza A H1N1 strain and 40% against H3N2.<\/p>\n<p>The researchers enrolled patients with new or worsening cough that is characteristic of acute respiratory illness (ARI) who sought care within 7 days of symptom onset from community-based sentinel practitioners in Alberta, British Columbia (BC), Ontario, or Quebec.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Canadian Sentinel Practitioner Surveillance Network (SPSN) data reveal mid-season vaccine effectiveness (VE) against the SARS-CoV-2 Omicron XBB.1.5 variant of 47% against medically attended outpatient COVID-19 and 67% among previously infected people.<\/p>\n<p>The same test-negative case-control study reports that the flu vaccine is 63% effective against medically attended outpatient infection with the influenza A H1N1 strain and 40% against H3N2.<\/p>\n<p>The researchers enrolled patients with new or worsening cough that is characteristic of acute respiratory illness (ARI) who sought care within 7 days of symptom onset from community-based sentinel practitioners in Alberta, British Columbia (BC), Ontario, or Quebec.<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/stillcoviding.ca\/en\/news\/canadian-data-show-moderate-to-good-vaccine-efficacy-against-covid-flu\/\">Continue reading<span class=\"screen-reader-text\">Canadian data show moderate to good vaccine efficacy against COVID, flu<\/span><\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[96,916,18,77,55,8,14,917,15,255],"class_list":["post-4649","post","type-post","status-publish","format-standard","hentry","category-news","tag-canada","tag-canadian-sentinel-practitioner-surveillance-network","tag-covid-19","tag-influenza","tag-omicron","tag-research","tag-sars-cov-2","tag-vaccine-effectiveness","tag-vaccines","tag-xbb-1-5","entry"],"_links":{"self":[{"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/posts\/4649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/comments?post=4649"}],"version-history":[{"count":2,"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/posts\/4649\/revisions"}],"predecessor-version":[{"id":4651,"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/posts\/4649\/revisions\/4651"}],"wp:attachment":[{"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/media?parent=4649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/categories?post=4649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stillcoviding.ca\/en\/wp-json\/wp\/v2\/tags?post=4649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}