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Southeast Asian governments are once again installing temperature scanners at airports and encouraging people to wear masks in the hope to limit a rapid resurgence of respiratory infections such as Covid-19.
The goal is to slow the spread of a variety of germs, as a confluence of Covid, flu and other respiratory pathogens may set off wider outbreaks that ultimately stretch healthcare systems.
But it can be a fraught process, with the public highly attuned to the risk of draconian measures, which were put in place early in Asia at the start of…