Cercetătorii de la Institutul Leibniz pentru Cercetare Troposferică (TROPOS) din Leipzig şi laboratorul naţional de fizică CSIR din New Delhi spun că au aceste informații din 10 studii relevante pe această temă.
Ei precizează că în momentul în care o persoană infectată tușește, respiră sau vorbește, sunt eliminate picături mai grele de apă, care ajung repede la sol. Totuși, alte picături mai mici pot rămâne în aer minute în șir, iar dacă aerul este uscat, cei din jur le pot absorbi foarte ușor prin mucoasa nazală.
“Particulele infectante, aceste picături Pfluge care se produc în momentul în care vorbim, respirăm, strănutăm sau tuşim, aceste particule care sunt responsabile pentru infecţie, există posibilitatea de a acumula umiditate din aer, şi cu această umiditate din aer prezenţa lor în aer şi timpul cât pot fi infectante poate fi mai scurt. Boala este în mare măsură cu transmitere aerogenă. Odată ce virusul a căzut pe sol, el nu mai poate ajunge sub nicio formă în celulele din alveolele pulmonare, acolo unde se poate replica. Şi dacă îl luăm de pe o suprafaţă, îl ingerăm, el ajunge cu mâncarea, cu modul de ingestie în stomac, unde este neutralizat instantaneu de acidul gastric”, a declarat dr. Radu Ciornei, specialist în imunologie, microbiologie şi genetică moleculară.
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