A new World Health Organisation guideline recommends the use of steroids for severely and critically ill Covid-19 patients – a treatment already used in Hong Kong – with the global body estimating the drugs could prevent up to almost 9 per cent of fatalities among the most serious cases.Professor David Hui Shu-cheong, a Chinese University respiratory medicine expert involved in drafting the protocol – and an adviser to the Hong Kong government on its coronavirus response – said the new…
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