{"id":210742,"date":"2020-05-24T00:07:25","date_gmt":"2020-05-23T18:37:25","guid":{"rendered":"https:\/\/www.colombotelegraph.com\/?p=210742"},"modified":"2020-05-28T22:39:54","modified_gmt":"2020-05-28T17:09:54","slug":"its-a-great-deal-more-complicated-uncertain-than-one-thinks-lockdown-control-or-herd-immunity","status":"publish","type":"post","link":"https:\/\/www.colombotelegraph.com\/index.php\/its-a-great-deal-more-complicated-uncertain-than-one-thinks-lockdown-control-or-herd-immunity\/","title":{"rendered":"It\u2019s A Great Deal More Complicated &#038; Uncertain Than One Thinks:\u00a0Lockdown &#038; Control Or Herd Immunity?"},"content":{"rendered":"<p><span style=\"color: #ff6600;\"><strong>By <a style=\"color: #ff6600;\" href=\"https:\/\/www.colombotelegraph.com\/?s=Kumar+David\">Kumar David<\/a> &#8211;<\/strong><\/span><\/p>\n<div id=\"attachment_207855\" style=\"width: 160px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Kumar-David.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-207855\" class=\"size-thumbnail wp-image-207855\" src=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Kumar-David-150x150.jpeg\" alt=\"\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Kumar-David-150x150.jpeg 150w, https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Kumar-David-45x45.jpeg 45w, https:\/\/www.colombotelegraph.com\/wp-content\/uploads\/2020\/02\/Kumar-David.jpeg 200w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><p id=\"caption-attachment-207855\" class=\"wp-caption-text\">Prof. Kumar David<\/p><\/div>\n<p>There is a debate going on out there in the big wide world between the advocates of lockdown (Isolation and Confinement &#8211; I&amp;C) and champions of Herd Immunity (h-i) as to the better method to overcome the <a href=\"https:\/\/www.colombotelegraph.com\/?s=Covid-19\"><span style=\"color: #ff6600;\">Covid-19<\/span><\/a> pandemic. What\u2019s going on in Sri Lanka is extreme, draconian and excessive harassment, especially of the poorest classes but I will reserve my comments on Lanka for the end. My main objective today is to weigh up the international debate between advocates of I&amp;C and h-i.<\/p>\n<p>Before getting my teeth into details let me summarise the two views. I&amp;C chaps want to identify and quarantine every contact, trace, trace, trace and test, test, test. If infected and asymptomatic (those who show no external signs) carriers are all isolated till they get well (no longer carry the virus), or conveniently conk off, the community can be declared virus free. Restrictions can be lifted and all can get back to having a good time, unless a global depression subsequently turns them into paupers.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>The h-i advocates don\u2019t agree. They say let everybody catch the disease, let everybody get it. Antibodies will develop in the body (<i>sic!<\/i>), the whole community &#8211; the whole herd &#8211; will become immune and there will be nothing more to fear. If you got chicken pox as a kid you won\u2019t get it again. You grow antibodies (some sort of good chaps) in your system to defeat the first illness and they hang around ready for action if needed again. Though the international web contains much information the local media has, I think, made no mention of h-i. To get clued up I ask readers follow up on the web the world\u2019s leading experts on h-i, Dr Nils Anders Tegnell, civil servant, physician in infectious disease and State Epidemiologist of Sweden, and Dr Didier Raoult, French physician, microbiologist and president of Universite de la Mediterranee, Marseille. An <a href=\"https:\/\/www.spiked-online.com\/2020\/05\/15\/we-could-open-up-again-and-forget-the-whole-thing\/\"><span style=\"color: #ff6600;\">extreme version<\/span><\/a> is Prof. Johan Giesecke. It\u2019s good to be up to date on the vocal global debate on the relative merits of I&amp;C and h-i.<\/p>\n<p>What\u2019s the case against each school? It\u2019s deadly. The objection to I&amp;C is that try as you may you can never ensure CV-19 will not raise its head again unless everybody in the community goes to live in a cave in the Himalayas forever. When our government says Lanka is CV-19 free, workers will go the Middle East, international commerce and travel will start, tourists will arrive and kids will go to school. The idea is that we can get back to normal life. But aye, there\u2019s the rub. This CV-19 is as vile and virulent as a mother-in-law\u2019s tongue. It spreads like greased lightening \u2013 otherwise why all this misery and harassment we are subjected to every day? As sure as the sun will rise in the East each morning it will be back; there will be fresh recurrences.<\/p>\n<p>The crux of the case against I&amp;C is that you can never prevent a second-wave, a third and so on. Are we going to go through the horror of the last 60 days again and again every year? You can see where the critics of I&amp;C are going: \u201cDe facto the epidemic stops only when herd immunity is reached after cycle upon cycle. Till then its\u2019s an invincible force; it will not end till h-i is reached\u201d. The I&amp;C defence is that numbers must be kept down to a level which hospitals can cope with till a vaccine is found or immunity develops in the community at large. At a minimum one has to buy time.<\/p>\n<p>There\u2019s a number called R which epidemiologists are swooning over. It\u2019s a measure of how rapidly a disease is spreading. Its fancy name is \u201ceffective reproduction rate\u201d and signifies the number of people to which one infected person will pass a virus. If R=2 for example, one guy will give it to two and those two will give it to four more and so on. The magic is to make R less than one in which case the disease will wither away, once identified cases are cured. Small R is great, but the problem is that it changes all the time and could rise quickly as lockdown ends or people go out to work or lose patience with restrictions.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>What\u2019s the case against h-i? Sweden refused to lockdown, except for the old and sickly, leaving people to catch the infection spontaneously hoping to achieve h-i. But what happened was that the death rate increased enormously. On 20 May, the number of confirmed cases in Sweden was 30,800 with 3745 deaths (12.2%), compared with Norway 8264 confirmed cases and 233 deaths (2.8%) and Denmark 11,044 confirmed cases and 551 deaths (5.0%). A study in the <i>Financial Times<\/i> (UK) said, conservatively, deaths in Sweden would reach 50,000 before heard immunity is reached.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>The other point about h-i is that it has, to my meagre knowledge, not been achieved with any previous disease. Smallpox was controlled by vaccination and wiped out ultimately by extinguishing the bacillus itself. Humans have not developed h-i to polio though it has been around for ages \u2013 was Richard III crippled by polio? There is no cure or protective vaccine for SARS and herd immunity is not a WHO goal. The medieval Black Death (bubonic plague caused by bacterium <i>yersinia pestis<\/i>) is still around (most recently in Madagascar in 2017) and humans have not developed herd immunity. What reason is there to believe that CV-19 will be any different?<\/p>\n<p>The debate has political overtones but readers should not take any notice and focus on scientific and epidemiological merits only. Don\u2019t be intimidated by the snooty; if people are real experts, they can explain things in a way that ordinary folks can understand as Einstein and Eddington did with relativity. Political partisanship in broad terms shows that the political right like Republicans in the USA, Brazil\u2019s Bolsanaro, UK\u2019a Boris Johnson and those keen to get the economic engine restarted as soon as possible, oppose lockdown, oppose stopping full participation in work or restricting travel and want freedom of movement. On the other side are liberals, those who want the state to play an interventionist role and are prepared to let capitalism, that is the economy, pay the price.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Sri Lanka is an exception in that a right-wing government with an authoritarian bent is imposing the harshest I&amp;C intervention in all the world. It implements extreme I&amp;C, that is L&amp;C (Lockdown &amp; Curfew). I will explain why in a moment. Another loose cannon screwing up the debate is Donald Trump and his asinine interventions. If only he would shut up, everybody could learn more about costs and benefits and the world would be in a better position to make informed decisions. I will leave it at that and turn to the most unpleasant part of today\u2019s essay, the way the authorities in Sri Lanka are dealing with the CV-19 challenge.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>It is unpleasant because one has to be appreciative of the prodigious efforts of the health authorities, nursing and medical staff and the ordinary foot-soldier, unfortunate sailor and the by now fed-up policemen, but at the same time be critical. What is it that one needs to be critical of? The curfew and lockdown have gone over the limit, its just too much harassment \u2013 60,000 citizens arrested and 17,000 vehicles impounded for curfew violations, isn\u2019t this a good barometer that people are fed-up! Gota, his taskforce and the state have to stop playing nanny. Let adults make their decisions, the Director of Health and the army are not God, nor do they know what\u2019s best for the public; the people alone know that. When the populace surrendered its right to make decisions to Adolf, Benito and Joseph the despotic state arrived. Let not this happen in Lanka. I don\u2019t want this essay to deteriorate into a diatribe against Gota so let me phrase my closing paras carefully.<\/p>\n<p>Lanka has been successful in keeping total cases down to just over a thousand and deaths below ten. But many other countries have achieved comparable results without crippling society and the economy with such harsh measures (still the good record is a feather in the cap of the authorities). The <i>Island<\/i> of 18 May carries a full-page account \u201cHow Europe and US are working to prevent a second wave\u201d. The piece has nothing to do with prevention of a second-wave but is an interesting summary of the measures currently adopted in the US and about 10 European countries. What is striking is that everywhere else it is far less punitive, grim and disruptive. Lanka\u2019s authorities are also oblivious to the horrifying impact this mindless insensitivity will have on the economy down the road.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>Despite a more lenient approach mass demonstrations have broken out in America, Germany and all-over South America against hardship, \u2018trampling underfoot\u201d democratic freedoms and damage to the economy. In Lanka, the masses curse the restrictions under their breath but will not openly oppose Gota and military-police over-lordship. The masses last defied the state in 1953. Insurrectionary folly did so in 1971 and 1989, but since then they have got accustomed to the military and police egging them on or turning a blind eye when they rampaged against Tamils and more recently Moors. Defying the state even when oppressed is not for Lanka\u2019s masses anymore. A kept people who enjoy mauling minorities under the approving eye of the state is not capable of asserting their freedom. The Gota regime can go on as it likes, it can tell parliament to go hang, and it can rule by fiat and automatic rifle without a public whimper. This is the upshot of victory in a racial civil war, as it was in Serbia, Sudan, Rwanda and other places.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p>But in the end, \u201cit\u2019s the economy stupid!\u201d This essay cannot go on for another 1000 words so I direct you to initial coverage by Ranga Jayasuriya (\u2018Long-term Economic Costs\u2019) and Kusal Perera (\u201cExit Strategy\u201d) in the <i>Daily Mirror<\/i>, 5 and 15 May, respectively They make a critical, a very critical appraisal of strategic failures to plan ahead on the economic front, and start thinking about what needs to be done. It\u2019s future economic hardship that may induce the public worm to turn.<\/p>\n","protected":false},"excerpt":{"rendered":"<p> [&hellip;]<\/p>\n","protected":false},"author":48,"featured_media":51892,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,46,8],"tags":[],"class_list":["post-210742","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-colombotelegraph","category-constitutional-reforms","category-editorial"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>It\u2019s A Great Deal More Complicated &amp; Uncertain Than One Thinks:\u00a0Lockdown &amp; Control Or Herd Immunity? - 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\/its-a-great-deal-more-complicated-uncertain-than-one-thinks-lockdown-control-or-herd-immunity\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"It\u2019s A Great Deal More Complicated &amp; Uncertain Than One Thinks:\u00a0Lockdown &amp; Control Or Herd Immunity? 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Udayashantha dramatically pre-empted an abduction attempt when he and his entourage surrounded the men from a suspicious white van that pulled alongside him at a Colombo park and captured them. In Sri Lanka, anyone who has crossed someone of importance is wary of white vans, said to be the vehicles of choice for shadowy squads who ''disappear'' opponents of powerful people. Udayashanta said he had been on alert since his brother had been grabbed, an act he took that as a warning from his political rivals. 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