Coronavirus: Singapore study suggests hydroxychloroquine and throat spray could protect against infection


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A team of clinician-scientists from Singapore’s National University Health System (NUHS) has found that oral hydroxychloroquine and povidone-iodine throat spray are effective in reducing the spread of Covid-19 in high-transmission settings such as dormitories , cruise ships and prisons. Their findings, which were presented to the media on Friday, were based on a study of more than 3,000 migrant workers living in Tuas South Dormitory during the height of the Covid-19 outbreak in May last year. Hydroxychloroquine is a prescription drug used to treat malaria and arthritis while povidone-iodine throat sprays are over-the-counter medications that provide symptomatic relief of sore...