Could wearing face masks in public be preventing our immune systems from recognising infectious agents, and thus weakening our resistance to disease? According to mathematical modeller Richard Kollár - who has done in depth analyses on the spread of coronavirus in Slovakia and has spearheaded a new advisory group aiming to promote a more holistic approach to the crisis - this is a very real possibility and something that could pose a threat to our health as we head into winter.
richard kollar II
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Jonathan McCormick, Photo: TASR