Vaccination is often combined with an injection. It can also take the form of a nasal spray: an approach that is still rare, but which could be effective against Covid. Here’s why.
Rigor acadêmico, estilo jornalístico
Todos os artigos de Nasal vaccine
Exibindo todos artigos
An effective nasal vaccine could stop the virus that causes COVID-19 right at its point of entry. But devising one that works has been a challenge for researchers.
New boosters protect against the original COVID strain as well as Omicron. In future, we might see variant-proof vaccines or those delivered in the nose or mouth.
Research suggests that giving a person a vaccine through their nose can provide a better defense against future exposure to the coronavirus compared to a shot in the arm.
