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A list of purported preventive measures for individuals to take against COVID-19 has been shared thousands of times in multiple posts on Facebook. The posts claim the guidelines were revealed by a Chinese doctor and helped China to contain the spread of the novel coronavirus. But the recommended practices are misleading; health experts told AFP there is no scientific basis for many of the claims, which include using red-coloured soap and white handkerchiefs, as well as obtaining specific light bulbs. The misleading claims were published on Facebook here on March 16, 2020. The post has been shared more than 17,000 times. Below is a screenshot of the misleading post: The post’s lengthy caption, which is written in Sinhala, details a list of instructions that purportedly help control the spread of the novel coronavirus. The new virus has killed more than 8,500 people and infected over 200,000 others worldwide, according to the World Health Organisation . The post also features an image with text translates as: This is a valuable article revealed by a Chinese doctor on how China managed to control coronavirus so swiftly.. Identical posts were also shared on Facebook here , here and here . However, many of the recommendations are misleading. The misleading posts did not cite a specific Chinese doctor or Chinese health authority; a keyword search in Chinese combining coronavirus and the alleged preventive measures in the posts also found no record of similar advice provided by health practitioners. --Light bulbs-- While highlighting the importance of frequent handwashing, the post urges readers to Fix a CFL bulb and keep it lit near taps constructed indoors. It is advisable to use red colored soap or liquid to wash hands... While compact fluorescent lamps (CFL) do emit UV light, which can be used at high intensities as a disinfectant, CFL bulbs emit very low levels of UV, as noted by the US Food & Drug Administration here . This makes them safe for daily use and renders them an ineffective disinfectant. Dr. Ashan Pathirana, the registrar of Sri Lanka’s Health Promotion Bureau (HPB), also said that installing CFL bulbs near water taps will not provide additional protection. The installation of a CFL bulb will not help disinfect oneself from the novel coronavirus. There is no scientific basis behind the use of a CFL bulb to kill the novel coronavirus, Dr. Pathirana told AFP via phone on March 16. --Red soap-- Dr. Pathirana also refuted the claim that red-coloured soap is a more effective disinfectant than other types of soaps. The red may be in reference to carbolic soap , he said. But soap or liquid soap nowadays may have a red colour due to a colorant. The advice to seek specifically red coloured soap is counterproductive. The point is to make it a habit to wash one’s hands after being in a public location. For general hygiene it is advisable to wash hands with soap at least five times a day. --White handkerchief-- The misleading post also claims that the colour white has a harmful impact on the virus. If you can cover with a white handkerchief or tissue when sneezing or coughing, it will prevent the virus in the mucus from being transferred to others.. the post reads. Dr. Pathirana said: It's good to use a tissue when sneezing or coughing but there is no reason to seek out white because colors of the tissue absolutely have no impact on the virus. The only way to ensure the tissue does not end up transferring the virus to others, is to dispose of it safely, he added. --Coughing etiquette-- The post also calls for the use of the elbow to cover a cough as the angle of the elbow will kill viruses faster. We ask the public to use the elbow when sneezing or coughing in order to control the spread of droplets. The angle of the elbow has no impact on killing the virus, Dr. Pathirana noted. Coughs, along with sneezes, play a key role in transmitting respiratory diseases pic.twitter.com/Ud05iGJmZB — AFP news agency (@AFP) March 16, 2020 --Official guidelines-- Dr. Pathirana also urged the public to follow the tried-and-tested methods that have proven effective in minimising novel coronavirus infections including general hygiene practices and social distancing. Here are the safety guidelines issued by Sri Lanka's Ministry of Health.
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