Spring sets in, bringing with it its procession of pollens ... and runny noses. More than one in ten French people are affected by "hay fever". Will these people, traditionally more susceptible to viral infections, be more vulnerable to the new coronavirus? "We do not yet know what the Covid-19 and pollen association will give, no country has yet been subjected to this mixture," explains Nhân Pham-thi, pneumo-pediatrician and allergist, associate researcher at École Polytechnique . We can only make assumptions. We know, for example, that when you are allergic to dust mites, it is easy to develop winter-winter viruses. ”
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As this former head of the Pasteur Institute's allergology department explains, “the mucous membranes of epithelial cells (which form a wall between the outside world and the inside of the body, and which cover, for example, the nose or the bronchi , Editor's note) are called upon by allergens, producing a reaction
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