{"id":208718,"date":"2020-03-22T00:00:44","date_gmt":"2020-03-21T18:30:44","guid":{"rendered":"https:\/\/www.colombotelegraph.com\/?p=208718"},"modified":"2020-03-26T15:51:56","modified_gmt":"2020-03-26T10:21:56","slug":"to-fight-covid-19-is-to-fight-its-lightning-transmission","status":"publish","type":"post","link":"https:\/\/www.colombotelegraph.com\/index.php\/to-fight-covid-19-is-to-fight-its-lightning-transmission\/","title":{"rendered":"To Fight Covid-19 Is To Fight Its Lightning Transmission\u00a0"},"content":{"rendered":"<p><span style=\"color: #ff6600;\"><b>By <a style=\"color: #ff6600;\" href=\"https:\/\/www.colombotelegraph.com\/?s=Rajan+Philips\">Rajan Philips<\/a> &#8211;<\/b><\/span><\/p>\n<div id=\"attachment_208116\" style=\"width: 160px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Rajan-Philips.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-208116\" class=\"size-thumbnail wp-image-208116\" src=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Rajan-Philips-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Rajan-Philips-150x150.jpg 150w, https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Rajan-Philips-45x45.jpg 45w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><p id=\"caption-attachment-208116\" class=\"wp-caption-text\">Rajan Philips<\/p><\/div>\n<p>The consensus within the medical scientific community cannot be clearer. There is no medication to treat the <a href=\"https:\/\/www.colombotelegraph.com\/?s=Coronavirus\"><span style=\"color: #ff6600;\">Coronavirus<\/span><\/a> Disease of 2019 (<a href=\"https:\/\/www.colombotelegraph.com\/?s=COVID-19\"><span style=\"color: #ff6600;\">COVID-19<\/span><\/a>). And there is no vaccine to prevent it. The only weapon against the disease that is available for the next several weeks, even months, is to reduce or prevent community transmission of the virus. All the data on human to human transmission of the virus indicates that transmission occurs primarily through respiratory droplets from coughing and sneezing between individuals in close contact. And transmission is also occurring at significant levels through<span class=\"Apple-converted-space\">\u00a0 <\/span>\u2018asymptomatics\u2019, virus carriers without any symptom. Therefore, social isolation is the only way to prevent disease transmission in the foreseeable near to medium term.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>The scale at which isolation should be conducted in every country is astounding and unprecedented. The effects of such isolation will be crippling on national economies and the world economy as a whole. Governments everywhere are facing two massive challenges, and all at the same time, like never before. Governmental capabilities and capacities to respond to the twin challenges vastly differ from country to country. Different countries like China, Italy and South Korea, with large numbers of caseloads have tried different degrees and methods of isolation with dramatically different results. The US and the British governments took too cavalier an approach to COVID-19 for too long, and are now scrambling to stem the inevitable surge in the number of cases that is widely expected.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Sri Lankan authorities too were showing signs of nonchalance, bravado, and political calculations, but learnt their lesson rather quickly, in a matter of three days. After summarily rejecting calls to postpone the April parliamentary elections, the authorities hurriedly decided to postpone them indefinitely soon after nominations closed. And after spurning suggestions to implement a national clampdown to enforce social isolation, the government declared emergency and imposed national curfew over the weekend from Friday evening to Monday morning. The government has also banned pilgrimages, tours and leisure trips, called upon people to maintain a safe one metre distance between them, and ordered trains and buses to restrict passenger loads to half their seat capacity. These are all positive and necessary steps, better than the native bravado that no restrictions are necessary when war winners are in command. But much more needs to be done and consistently to prevent an exponential rise in the number of cases in Sri Lanka.<span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n<p>The global and national increases in the number of cases over the last week (13 March to 20 March) are scary. The global total has doubled from 136,875 cases to 276,113 cases and 11,400 deaths. Only China and South Korea are showing some stabilization, around 81,000 and 8,700 cases, respectively. Everywhere else, the virus has gone exponential. The dramatic increases are in Western Europe, and the US total has risen from 1,264 to 19,640. South Asia, South America and Africa are no longer the spared oases they looked last week. India is up from 81 to 258 while Pakistan has vaulted to 501 from 20. Bangladesh (3 to 20) and Maldives (8 to 13) are holding steady for now. In Sri Lanka, the number of known cases has worryingly multiplied from 3 to 73 in one week. More worryingly, there are reportedly unaccounted arrivals from overseas before the current airport restrictions began, and who might potentially be virus carriers within the general population.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Having great doctors and good hospitals is not enough in any country if the coronaviral disease surges beyond the country\u2019s overall healthcare capacity. The healthcare problem for Sri Lanka is not the quality of its professionals but the capacity of its healthcare infrastructure. If the number of COVID-19 cases is allowed to increase to the point of overwhelming its healthcare capacity, the country will be in deep trouble. The system will have to cope with not only increasing numbers of COVID-19 patients, but also normal patients requiring hospital treatment.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Given the relatively high proportion of elderly in the population, it will be a challenge to protect them from the virus and then treat them if they get infected. Limited capacity and overwhelming demand would mean doctors will be forced to perform the dreadful task of triaging \u2013 deciding the order of allocation of beds, especially ICU beds, among a large number of patients. And doctors and nurses will end up getting infected and worse. These are not scare stories but are already happening in Italy and in Iran.<\/p>\n<p><span style=\"color: #ff6600;\"><b>Flattening the curve<\/b><\/span><\/p>\n<p>There is an amazing array of scholarly scientific writings dealing with practically every aspect of the coronavirus that is appearing literally online and in real time. The two graphs below are among the hundreds that are in circulation, illustrating the now universal mantra of \u2018flattening the curve\u2019. They are based on simple mathematical models and are useful in illustrating the concept and its consequence for healthcare capacity.<a href=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-208719\" src=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19.jpeg\" alt=\"\" width=\"851\" height=\"592\" srcset=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19.jpeg 677w, https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19-300x209.jpeg 300w\" sizes=\"auto, (max-width: 851px) 100vw, 851px\" \/><\/a><\/p>\n<p>The above set of graphs illustrate how the number of COVID-19 cases will rise, peak and fall under three conditions, viz., without any slowing down of disease transmission, with transmission reduced by 20%, and transmission reduced by 40%. Reducing the spread of the disease lowers the maximum number of cases while extending the duration of the epidemic, to manageable levels.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>The below set of graphs shows what is manageable. By slowing down the disease spread, the maximum number of cases in a country, or in areas within it, can be brought within its healthcare capacity &#8211; the number of hospitals, beds, ICU beds, care workers and professionals, and equipment. The failure to arrest the disease early on led to surges in China, Korea, Italy and now other West European countries, overwhelming their healthcare capacities. While China and Korea may have, hopefully, seen the worst off, others in that league are still struggling. Italy, especially northern Italy, has not been able to stem the spread at all despite a national shutdown for now over two weeks. Last week, Wednesday alone saw 4,207 new cases and a one-day death toll of 475. The highest single day national death total since the outbreak started in China. On Friday the daily death toll went past 500, a second record in two days. <a href=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19-1.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-208720\" src=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19-1.jpeg\" alt=\"\" width=\"853\" height=\"417\" srcset=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19-1.jpeg 853w, https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19-1-300x147.jpeg 300w, https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/03\/Covid-19-1-768x375.jpeg 768w\" sizes=\"auto, (max-width: 853px) 100vw, 853px\" \/><\/a><span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Italy provides the tragically classic case of both struggling to contain the disease and creating the surge capacity to treat the ballooning number of patients. Specific to COVID-19 and its treatment, Italian doctors have found that antivirals or other drugs are not working; what is apparently working is the ventilating of patients while keeping them facedown. Hence the dire need for ICU beds and ventilators in hospitals to pump oxygen into the lungs of COVID-19 patients whose signature symptom is difficulty in breathing. <span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>There are only four ventilator manufactures in Europe, and one of them is in Italy. All exports of ventilators and other emergency equipment are now banned, and this will create downstream problems in importing countries. For example, Vietnam, India, Korea and the Philippines have all paid for and were expecting delivery 320 ventilators in total among them from Italy. But Italy\u2019s sole manufacturer of ventilators, Siare Engineering International, has cancelled the exports and distributed the machines internally. Italy is not able to get any supplementary supply from EU countries, who are having the same problem. China has committed to supply 1,000 ventilators to Italy.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Western countries are finally fearing the worst and are directing their manufacturers to retool their assembly lines to produce ventilators and other emergency medical equipment in large numbers and in short order. In the US, the military has resources to produce temporary hospitals to provide surge capacity, and has about ten ventilator manufacturers. But equipment supply continues to be a problem, especially emergency equipment for healthcare professionals. The US government has ordered modifying masks manufactured for construction workers to supply hospital personnel. That has instantly increased the supply from three million to 35 million, but getting them across to hospitals is still a challenge.<\/p>\n<p>During the SARS crisis in Canada, over 40% of those who died were healthcare professionals. It has been reported that in the current COVID-19 outbreak, no healthcare professional has been infected in Singapore, Taiwan, or Hong Kong. In Italy and Iran, on the other hand, doctors are treating fellow doctors as COVID-19 patients.<span class=\"Apple-converted-space\">\u00a0 \u00a0<\/span><\/p>\n<p>Data from China, Italy and the US are also showing that no age group is particularly safe even though the really old and the elderly are the most vulnerable. Data also shows that regardless of age, people with pre-existing medical conditions are vulnerable to COVID-19. In Italy and in the US, all age groups require hospital admission and ICU beds, which adds to the overall demand on healthcare capacity.<span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0 \u00a0<\/span><\/p>\n<p>There are ongoing clinical trials to repurpose existing antiviral drugs to treat Covid-19 patients. Two that are most mentioned are chloroquine, an anti-malaria drug, and remdesivir, an Ebola drug. Both are being tried in clinical trials in China, South Korea and France, and chloroquine has apparently \u201cshown promise.\u201d While the medical community in the US is cautiously divided, Donald Trump is creating confusion by publicly pushing for chloroquine to be widely administered. The search for the vaccine and its eventual finding is still a long process. But there has never been such a concerted global effort to get a cure or a vaccine as it is being done now to overcome the coronavirus.<span class=\"Apple-converted-space\">\u00a0 \u00a0<\/span><\/p>\n<p>The specialist global watchers of COVID-19 are contrasting the different approaches \u2013 the harsh and lockdown approach in China and Italy, and the transparent and public-co-operative approach in South Korea. South Korea\u2019s massive testing program has been identified as the \u201clinchpin\u201d of its success. The testing is either free, if referred by a doctor or displaying symptoms, or available at the affordable (in South Korea) cost of US$135 per test. The massive test program, data management, disease tracking and selective geographical interventions to isolate patients are the sum of the South Korean response. Similar outcomes have been noted in Taiwan, Hong Kong and Singapore, all of whom along with South Korea are the wiser after their experience with past outbreaks of respiratory diseases like SARS and MERS. <span class=\"Apple-converted-space\">\u00a0 \u00a0 \u00a0<\/span><\/p>\n<p>Sri Lanka\u2019s only option in fighting Covid-19 is to go flat out to flatten the curve and to prevent an exponential rise in the number of patients. The government must enlist modelling specialists to monitor the disease spread data and develop \u2018a curve\u2019 specific to Sri Lanka and use it as guidance to stay \u2018ahead of the curve\u2019 as far as possible. Regional variations will have to be accounted for in developing the curve, monitoring the spread, and mobilizing the response. So far, the cases in Sri Lanka appear to be more concentrated in the districts of Gampaha, Colombo and Puttalam. 33% of them under 40 years old. The government may have to adopt a blended approach involving necessary harshness and consistent smartness.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Given South Korea\u2019s experience based on extensive testing program, the Sri Lankan government must do all it can to get South Korean help to administer a similar approach in Sri Lanka. Sri Lanka has reasonably significant individual and institutional resources for undertaking such a task with outside help. The government would be smart to try that while maintaining maximum social distancing.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p> [&hellip;]<\/p>\n","protected":false},"author":153,"featured_media":208721,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,2186,46,8,2375],"tags":[],"class_list":["post-208718","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-colombotelegraph","category-featured-news","category-constitutional-reforms","category-editorial","category-stories"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>To Fight Covid-19 Is To Fight Its Lightning Transmission\u00a0 - Colombo Telegraph<\/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:\/\/www.colombotelegraph.com\/index.php\/to-fight-covid-19-is-to-fight-its-lightning-transmission\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"To Fight Covid-19 Is To Fight Its Lightning Transmission\u00a0 - 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