"Air purifiers of various sizes and types were placed in two of the city's daycare centres during cold and flu seasons.
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"Air purifiers of various sizes and types were placed in two of the city's daycare centres during cold and flu seasons.
The initial results from the first year of research are promising, according to researcher Enni Sanmark, from HUS Helsinki University Hospital.
"Children were clearly less sick in daycare centres where air purification devices were used — down by around 30 percent," Sanmark explained."
Study: Air purifier use at daycare centres cut kids' sick days by a third
The results of the study at two Helsinki daycare centres are still preliminary but promising, a researcher says.
News (yle.fi)
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