{"id":12166,"date":"2020-04-17T12:25:00","date_gmt":"2020-04-17T16:25:00","guid":{"rendered":"http:\/\/airpurifierspecialist.com\/store\/?p=12166"},"modified":"2020-05-21T11:18:12","modified_gmt":"2020-05-21T15:18:12","slug":"return-to-normal-hinges-on-immunity-say-those-pushing-for-new-covid-19-blood-tests","status":"publish","type":"post","link":"https:\/\/airpurifierspecialist.com\/store\/return-to-normal-hinges-on-immunity-say-those-pushing-for-new-covid-19-blood-tests\/","title":{"rendered":"Return to normal hinges on immunity, say those pushing for new COVID-19 blood tests"},"content":{"rendered":"<p>The push to start measuring COVID-19 immunity through so-called serology tests is gaining steam. Several provinces are hinting at plans to roll out blood tests that could identify who has gained immunity against COVID-19, and pave the way for a return to some semblance of normal everyday life.<\/p>\n<div>\n<figure>\n<div>\n<p><img decoding=\"async\" alt=\"\"  src=\"https:\/\/i.cbc.ca\/1.5535899.1587136376!\/cpImage\/httpImage\/image.jpg_gen\/derivatives\/16x9_780\/covid-immunity-test-20200417.jpg\" ><\/img><\/p>\n<\/div><figcaption>This undated electron microscope image shows the novel coronavirus SARS-CoV-2. Provinces are pushing for blood tests to show which of their residents have been exposed to the virus, in order to flatten the infection curve. (NIAID-RML\/AP\/The Canadian Press)<\/figcaption><\/figure>\n<p><span><\/p>\n<p>The push to start measuring COVID-19 immunity is gaining steam, with several provinces hinting at plans to roll out blood tests that could pave the way for a return to some semblance of normal everyday life.<\/p>\n<p>So-called serology tests measure the amount of antibodies that appear in the blood after someone has battled an infection \u2014 including those who don&#8217;t even know they had COVID-19 because they didn&#8217;t meet testing criteria, didn&#8217;t seek care or had mild or no symptoms.<\/p>\n<p>This data is important for policy makers deciding when to ease restrictions, says epidemiologist Patrick Saunders-Hastings, director of life sciences and environmental health at Gevity Consulting Inc.<\/p>\n<p>Without it, our picture of COVID-19&#8217;s spread in Canada remains incomplete \u2014\u00a0diagnostic laboratory tests now in use largely focus on high-risk groups and only capture people actively infected with the virus.<\/p>\n<p>&#8220;That&#8217;s where serological testing comes in,&#8221; says Saunders-Hastings.<\/p>\n<p>&#8220;We just can&#8217;t \u2014\u00a0won&#8217;t \u2014\u00a0get those counts from the traditional laboratory testing.&#8221;<\/p>\n<p>Indications various provinces are eager to begin a new phase in detection include ongoing work by the BC Centre for Disease Control to develop a test with the National Microbiology Lab.<\/p>\n<p>Dr. Bonnie Henry, B.C.&#8217;s provincial health officer, said Thursday by email that a serology test &#8220;should be hopefully coming online in the coming week to ten days.&#8221;<\/p>\n<h2>Alberta tripling daily tests<\/h2>\n<p>Meanwhile, Alberta&#8217;s medical health officer has said her province will nearly triple daily tests in the next month, in part by adding a yet-to-be-approved blood test that reveals who in the community has been exposed to COVID-19.<\/p>\n<p>&#8220;Ultimately, our testing goal by mid-to-late May would be approximately 20,000 tests a day. That would be a combination of swab tests as well as serology \u2014 the blood tests,&#8221; Dr. Deena Hinshaw said earlier this week.<\/p>\n<p>A spokesperson\u00a0for Alberta Health adds that the province&#8217;s public health lab is also working with the National Microbiology Lab to validate multiple serological tests, which would only be used to determine past infection, not current ones.<\/p>\n<p><span><\/p>\n<figure>\n<div>\n<p><img decoding=\"async\" alt=\"\"  src=\"https:\/\/i.cbc.ca\/1.5520772.1585932936!\/cumulusImage\/httpImage\/image.jpg_gen\/derivatives\/original_780\/dr-deena-hinshaw-at-covid-19-newser-march-18-2020.jpg\" ><\/img><\/p>\n<\/div><figcaption>Alberta&#8217;s chief medical officer of health, Dr. Deena Hinshaw, said the province is nearly tripling its testing capacity, while adding the ability to test which residents have been exposed to COVID-19. (Art Raham\/CBC)<\/figcaption><\/figure>\n<p><\/span><\/p>\n<p>Saskatchewan&#8217;s chief medical health officer has said his province, too, had partnered with the Public Health Agency of Canada to investigate serological tests.<\/p>\n<p>Dr. Saqib Shahab predicted Saturday that a serological test &#8220;will be available over the next few weeks.&#8221;<\/p>\n<p>&#8220;Over time that will be essential for us to know: How widely has COVID 19 spread? Which age groups is it impacting more? Which age groups and which populations mount the strong immune response?&#8221; he said.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.cbc.ca\/news\/topic\/Tag\/Your%20Coronavirus%20questions?fbclid=IwAR3kBOfETFitEObwgP0ZbjmrX_-XfoYxwuO4jd6v5n3zfiuAWewni8pnHZ8\"><strong>COVID-19: Your coronavirus questions answered<\/strong><\/a><\/li>\n<\/ul>\n<p>Of course the other big question it can help address is: When can physical distancing measures be lifted?<\/p>\n<p>Simply put, a return to normal is contingent on finding as many active and resolved COVID-19 cases as possible.<\/p>\n<p>Those who are immune can help those who are vulnerable, because they won&#8217;t unknowingly spread the virus, says Saunders-Hastings.<\/p>\n<p>They could also return to work.<\/p>\n<p><em><strong>WATCH | Debunking COVID-19 immunity scams:<\/strong><\/em><\/p>\n<p><span><span><span><\/span><span>Misinformation about so-called miracle cures for COVID-19 are spreading online. Can you really buy your way to a better immune system? We ask an expert: UBC professor Bernie Garrett, who studies deception in healthcare, including alternative medicine. 5:27<\/span><\/span><\/span><\/p>\n<p>Estimates of the proportion of asymptomatic infections vary widely, but he says most experts believe it is somewhere between one-quarter and half of all cases.<\/p>\n<p>That suggests there could be a significant number of undiagnosed immune people already able to safely return to work, or shoulder more of the front-line health-care burden involving high-risk communities and individuals.<\/p>\n<p>For that reason, effective serological testing shouldn&#8217;t be bound by the same restrictive criteria being used to conduct DNA diagnostic tests, says Dr. Camille Lemieux, chief of family medicine at the University Health Network in Toronto.<\/p>\n<p>DNA tests are targeted in order to isolate cases and limit COVID-19 spread, but serological tests look for past infections missed or excluded by DNA tests, and that means casting a wide net.<\/p>\n<p>&#8220;We need to look more broadly at who has immunity,&#8221; says Lemieux.<\/p>\n<p>&#8220;How many people out there have had it who were really not that sick and either were not tested because they didn&#8217;t qualify or because they weren&#8217;t sick enough? Those are the people we need to find and say, &#8216;What percentage of those are immune?&#8221;&#8216;<\/p>\n<h2>&#8216;They understand the urgency here&#8217;<\/h2>\n<p>Among those waiting for the rollout is the chief financial officer of a Markham, Ont., company with a test waiting for Health Canada approval.<\/p>\n<p>Mitchell Pittaway of BTNX Inc.\u00a0says his test is already in use by some U.S. labs and is being evaluated in Europe.<\/p>\n<p>&#8220;By comparison, most definitely it&#8217;s slower,&#8221; he says of Health Canada&#8217;s approval process, nevertheless believing &#8220;they understand the urgency here.<\/p>\n<p>&#8220;They&#8217;re definitely taking this approach which is maybe more structured than what we found with the FDA or in Europe.&#8221;<\/p>\n<p><em><strong>WATCH | Coronavirus: How is it treated?:<\/strong><\/em><\/p>\n<p><span><span><span><\/span><span>There&#8217;s no vaccine, so\u00a0doctors are offering &#8220;supportive treatments&#8221; instead, says family physician Dr. Peter Lin. 0:50<\/span><\/span><\/span><\/p>\n<p>If approved, the 15-minute test would be administered by hospitals or clinics, not average Canadians at home, Pittaway says.<\/p>\n<p>He says it&#8217;s 97 per cent accurate when compared to laboratory PCR methods but is meant to be used in conjunction with a lab test to rule out the possibility a person still has the virus and could infect others.<\/p>\n<p>The results should also be interpreted by a doctor or other health professional to definitively rule out current infection, he<br \/><\/br> adds.<\/p>\n<p>Pittaway says he&#8217;s been told Health Canada approval partly hinges on the development of a &#8220;national strategy.&#8221;<\/p>\n<p>A co-ordinated coast-to-coast approach is what Lemieux would like to see, and she&#8217;s urging policymakers to nail that down as soon as possible.<\/p>\n<p>&#8220;Now is the time to develop that plan, not in two months when it&#8217;s like, &#8216;Oh goodness, now we&#8217;re past the peak, now let&#8217;s think about our plan.&#8217; We need to be proactive,&#8221; said\u00a0Lemieux, who also urges Health Canada to accelerate the approval process for new tests.<\/p>\n<p>&#8220;I really, really want to see the Public Health Agency of Canada come out with a plan, like a clear plan. And then, the provinces can take their cue from that.&#8221;<\/p>\n<p><\/span><\/p>\n<\/div>\n<p><a href=\"https:\/\/www.cbc.ca\/news\/health\/immunity-tests-coronavirus-1.5535855\" class=\"button purchase\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Read More<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The push to start measuring COVID-19 immunity through so-called serology tests is gaining steam. Several provinces are hinting at plans to roll out blood tests that could identify who has gained immunity against COVID-19, and pave the way for a return to some semblance of normal everyday life.This undated electron microscope image shows the novel&hellip;<\/p>\n","protected":false},"author":1,"featured_media":12167,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[120,162,161,157],"_links":{"self":[{"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/posts\/12166"}],"collection":[{"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/comments?post=12166"}],"version-history":[{"count":1,"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/posts\/12166\/revisions"}],"predecessor-version":[{"id":16515,"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/posts\/12166\/revisions\/16515"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/media\/12167"}],"wp:attachment":[{"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/media?parent=12166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/categories?post=12166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/airpurifierspecialist.com\/store\/wp-json\/wp\/v2\/tags?post=12166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}