{"id":21788,"date":"2025-12-17T14:24:00","date_gmt":"2025-12-17T19:24:00","guid":{"rendered":"https:\/\/cssspnql.com\/what-is-respiratory-syncytial-virus-rsv\/"},"modified":"2025-12-17T14:24:03","modified_gmt":"2025-12-17T19:24:03","slug":"respiratory-syncytial-virus-rsv","status":"publish","type":"post","link":"https:\/\/cssspnql.com\/en\/respiratory-syncytial-virus-rsv\/","title":{"rendered":"What is respiratory syncytial virus (RSV)?"},"content":{"rendered":"\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW194679410 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW194679410 BCX0\">What is respiratory syncytial virus (RSV)?<\/span><\/span><span class=\"EOP SCXW194679410 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<p>Respiratory syncytial virus (RSV) is a common respiratory virus that affects primarily infants and young children, although it can also impact the elderly and people with weakened immune systems. The virus infects the nose, throat, lungs and breathing passages. <\/p>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW29118196 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW29118196 BCX0\">How is it spread?<\/span><\/span><span class=\"EOP SCXW29118196 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<p>RSV infections are more prevalent from late autumn through early spring, during the coldest months of the year. RSV spreads through respiratory droplets when an infected person coughs or sneezes. It can also be contracted by touching contaminated surfaces and then touching the face.  <\/p>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW253192798 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW253192798 BCX0\">Epidemiology of RSV<\/span><\/span><span class=\"EOP SCXW253192798 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<p>RSV infections peak during the fall and winter months. Indigenous populations usually experience higher hospitalization rates than non-Indigenous populations. <\/p>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW215514502 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW215514502 BCX0\">Common symptoms<\/span><\/span><span class=\"EOP SCXW215514502 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<p>Most of the common symptoms appear about four to six days after exposure to the virus, and they are as follows: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Congested or runny nose <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Dry cough <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Fever (between 37.8 C and 38 C) <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Sore throat <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Sneezing <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Headache <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Wheezing <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Difficulty breathing <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Lethargy <\/li>\n<\/ul>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW231450750 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW231450750 BCX0\">Risk factors<\/span><\/span><span class=\"EOP SCXW231450750 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<p>Certain factors can increase the risk of developing severe RSV infections. These include: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Age <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Comorbidities <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Environmental factors such as crowded living conditions or exposure to tobacco smoke <\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>The following individuals are most at risk of complications: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Infants aged six months or younger <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Premature infants <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Children with heart disease or chronic lung disease <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Children or adults with weakened immune systems <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Elderly aged 65 and older <\/li>\n<\/ul>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW128755217 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW128755217 BCX0\">Potential complications<\/span><\/span><span class=\"EOP SCXW128755217 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Hospitalization <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Pneumonia <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Bronchiolitis <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Middle ear infection <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Asthma <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Repeated infections <\/li>\n<\/ul>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW71455421 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW71455421 BCX0\">Prevention<\/span><\/span><span class=\"EOP SCXW71455421 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><span class=\"TextRun SCXW18484106 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW18484106 BCX0\">Nirsevimab<\/span><span class=\"NormalTextRun SCXW18484106 BCX0\">\u00a0is\u00a0<\/span><span class=\"NormalTextRun SCXW18484106 BCX0\">a man-made<\/span><span class=\"NormalTextRun SCXW18484106 BCX0\">\u00a0<\/span><\/span><strong><span class=\"TextRun SCXW18484106 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW18484106 BCX0\">antibody<\/span><\/span><\/strong><span class=\"TextRun SCXW18484106 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW18484106 BCX0\">\u00a0that prevents complications associated with RSV. As a medication, it is administered by a single-dose injection into a muscle. The dose will be given free of charge during the RSV immunization campaign (usually in fall and winter), at your nearest health centre.<\/span><\/span><span class=\"EOP SCXW18484106 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n\n\n\n<li>Since October 8, 2025, the vaccine has been offered free of charge to adults who are: \n<ul class=\"wp-block-list\">\n<li>60 years of age or older and living in residential and long-term care centres or intermediate resources that support autonomy. <\/li>\n\n\n\n<li>75 years of age or older and living in private seniors\u2019 residences (categories 3 and 4). <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Wear a face mask, and don\u2019t forget to wash or sanitize your hands before putting it on and after taking it off. <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Avoid crowded indoor spaces. Limit time spent at large gatherings in enclosed spaces. <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Limit contact with others when you are sick by staying at home. If you\u2019ve been exposed to someone with RSV and you aren\u2019t showing symptoms, it\u2019s important to monitor yourself in case symptoms develop. You may also want to reach out to a medical professional for further guidance on diagnosis. <\/li>\n<\/ul>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW168118633 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW168118633 BCX0\">Side effects of immunization<\/span><\/span><span class=\"EOP SCXW168118633 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Mild side effects such as pain, redness or swelling at the injection site. <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>The medication is not recommended for infants and children with a history of severe allergic reactions. <\/li>\n<\/ul>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW246936228 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW246936228 BCX0\">Difference between <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW246936228 BCX0\">n<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW246936228 BCX0\">irsevimab<\/span><span class=\"NormalTextRun SCXW246936228 BCX0\"> and vaccination<\/span><\/span><span class=\"EOP SCXW246936228 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li><span class=\"TextRun SCXW225529948 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><strong><span class=\"NormalTextRun SpellingErrorV2Themed SCXW225529948 BCX0\">Nirsevimab<\/span><\/strong><span class=\"NormalTextRun SCXW225529948 BCX0\">\u00a0<\/span><\/span><span class=\"TextRun SCXW225529948 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW225529948 BCX0\">is an antibody that directly protects against disease, <\/span><span class=\"NormalTextRun SCXW225529948 BCX0\">whereas<\/span><span class=\"NormalTextRun SCXW225529948 BCX0\">\u00a0<\/span><\/span><span class=\"TextRun SCXW225529948 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW225529948 BCX0\"><strong>vaccines<\/strong><\/span><\/span><span class=\"TextRun SCXW225529948 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW225529948 BCX0\">\u00a0help activate the immune system.<\/span><\/span><span class=\"EOP SCXW225529948 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW105057798 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun CommentStart SCXW105057798 BCX0\">Effectiveness<\/span><\/span><span class=\"EOP SCXW105057798 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Nirsevimab was 90% effective against RSV-associated hospitalization in infants in their first RSV season and can offer protection for at least five months. <\/li>\n<\/ul>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW176059972 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun CommentStart SCXW176059972 BCX0\">Locations offering immunization against RSV in Quebec<\/span><span class=\"NormalTextRun SCXW176059972 BCX0\">:<\/span><\/span><span class=\"EOP SCXW176059972 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>CISSS and CIUSSS <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Birthing centres <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Local community service centre (CLSC) or local facilities <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Community health centres <\/li>\n<\/ul>\n\n<ul class=\"wp-block-list\">\n<li>Nursing stations <\/li>\n<\/ul>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong><span class=\"TextRun SCXW189277121 BCX0\" lang=\"EN-CA\" xml:lang=\"EN-CA\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW189277121 BCX0\">Treatment\u00a0<\/span><\/span><span class=\"EOP SCXW189277121 BCX0\" data-ccp-props=\"{}\">\u00a0<\/span><\/strong><\/p>\n\n<p>The infections are usually mild and clear up in one to two weeks. But it is recommended to stay hydrated by drinking a lot of water and getting enough sleep. You may use acetaminophen or ibuprofen to manage fever and headache.  <\/p>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p><strong>References<\/strong><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/www.quebec.ca\/en\/health\/advice-and-prevention\/vaccination\/immunization-against-respiratory-syncytial-rsv-infections\" target=\"_blank\" rel=\"noopener\">https:\/\/www.quebec.ca\/sante\/conseils-et-prevention\/vaccination\/immunisation-contre-infections-virus-respiratoire-syncytial-vrs<\/a><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/www.immunize.ca\/respiratory-syncytial-virus-rsv\" target=\"_blank\" rel=\"noopener\">https:\/\/www.immunize.ca\/respiratory-syncytial-virus-rsv<\/a><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/www.canada.ca\/en\/public-health\/services\/publications\/healthy-living\/canadian-immunization-guide-part-4-active-vaccines\/respiratory-syncytial-virus.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.canada.ca\/en\/public-health\/services\/publications\/healthy-living\/canadian-immunization-guide-part-4-active-vaccines\/respiratory-syncytial-virus.html<\/a><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/www.hopkinsmedicine.org\/health\/conditions-and-diseases\/coronavirus\/flu-prevention-and-coronavirus-infographic\" target=\"_blank\" rel=\"noopener\">https:\/\/www.hopkinsmedicine.org\/health\/conditions-and-diseases\/coronavirus\/flu-prevention-and-coronavirus-infographic<\/a><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/finance.yahoo.com\/news\/quebecs-inesss-recommends-beyfortus-prevention-110000001.html?guce_referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8&amp;guce_referrer_sig=AQAAAFijXcRJ6howGUngJLKklVLtXF_kvvHCKNWO31_VyFiDIIzn4Oaf-XjtAStaqGtasxJh-OVeuDZnYKnpf2z0ERCUMOdFnIcZONNQDQNjc_zgI--EKcDS9t8maXdmnUbm85kNQptkFaF5UTjcB0oW38VMudRYpBBvJagVmeXutTot&amp;guccounter=2\" target=\"_blank\" rel=\"noopener\">https:\/\/finance.yahoo.com\/news\/quebecs-inesss-recommends-beyfortus-prevention-110000001.html?guce_referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8&amp;guce_referrer_sig=AQAAAFijXcRJ6howGUngJLKklVLtXF_kvvHCKNWO31_VyFiDIIzn4Oaf-XjtAStaqGtasxJh-OVeuDZnYKnpf2z0ERCUMOdFnIcZONNQDQNjc_zgI&#8211;EKcDS9t8maXdmnUbm85kNQptkFaF5UTjcB0oW38VMudRYpBBvJagVmeXutTot&amp;guccounter=2<\/a><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/medlineplus.gov\/druginfo\/meds\/a623033.html\">https:\/\/medlineplus.gov\/druginfo\/meds\/a623033.html<\/a><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/www.cdc.gov\/rsv\/hcp\/vaccine-clinical-guidance\/infants-young-children.html?CDC_AA_refVal=https:\/\/www.cdc.gov\/vaccines\/vpd\/rsv\/hcp\/child-faqs.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.cdc.gov\/rsv\/hcp\/vaccine-clinical-guidance\/infants-young-children.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fvaccines%2Fvpd%2Frsv%2Fhcp%2Fchild-faqs.html<\/a><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/www.cdc.gov\/rsv\/vaccines\/protect-infants.html#:~:text=An%20RSV%20antibody%20(nirsevimab)%20can,lasts%20at%20least%205%20months\">https:\/\/www.cdc.gov\/rsv\/vaccines\/protect-infants.html#:~:text=An%20RSV%20antibody%20(nirsevimab)%20can,lasts%20at%20least%205%20months<\/a><\/p>\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/www.mayoclinic.org\/diseases-conditions\/respiratory-syncytial-virus\/symptoms-causes\/syc-20353098#symptoms\">https:\/\/www.mayoclinic.org\/diseases-conditions\/respiratory-syncytial-virus\/symptoms-causes\/syc-20353098#symptoms<\/a><\/p>\n\n<div style=\"height:56px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>What is respiratory syncytial virus (RSV)?\u00a0 Respiratory syncytial virus (RSV) is a common respiratory virus that affects primarily infants and young children, although it can also impact the elderly and people with weakened immune systems. The virus infects the nose, throat, lungs and breathing passages. How is it spread?\u00a0 RSV infections are more prevalent from [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":24970,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[404],"tags":[],"class_list":["post-21788","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogue-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is respiratory syncytial virus (RSV)? - CSSSPNQL<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cssspnql.com\/en\/respiratory-syncytial-virus-rsv\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is respiratory syncytial virus (RSV)? - CSSSPNQL\" \/>\n<meta property=\"og:description\" content=\"What is respiratory syncytial virus (RSV)?\u00a0 Respiratory syncytial virus (RSV) is a common respiratory virus that affects primarily infants and young children, although it can also impact the elderly and people with weakened immune systems. The virus infects the nose, throat, lungs and breathing passages. 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