Belgian Red Cross-Flanders is developing a nasal spray that should protect us against infection with Covid-19. The first human trials could start as early as this fall. How effective are those sprays? And will they replace the vaccines? “Nasal sprays could not only be used against corona, but also against flu or RSV,” says scientist Hendrik Feys.
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Game changer in the making? This nasal spray should protect you against corona and flu
