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I don't know about official Chinese recommendations, but this might help. China had experience with SARS, and this new infection was looking a lot like SARS. They did not have a surfeit of testing kits for a new virus, but they knew what SARS looked like on CT scans. Therefore, symptomatic patients received CT scans of the chest before being tested for ...


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If you want clear scientific evidence on this (effectiveness of masks use in the general public), I think there's no such study out, although there is some data pointing toward a combination of masks and hand hygiene being sometimes effective (the effect size might no be large though given the lack of uniform results even on this "combo"). As far guidelines ...


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