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A person in a white shirt activates a nasal spray
Oxford-AstraZeneca Nasal COVID-19 Vaccine Falters in Clinical Trial
Researchers say they’re abandoning the project in its current form—one of several that aims to induce what’s known as mucosal immunity against SARS-CoV-2.
Oxford-AstraZeneca Nasal COVID-19 Vaccine Falters in Clinical Trial
Oxford-AstraZeneca Nasal COVID-19 Vaccine Falters in Clinical Trial

Researchers say they’re abandoning the project in its current form—one of several that aims to induce what’s known as mucosal immunity against SARS-CoV-2.

Researchers say they’re abandoning the project in its current form—one of several that aims to induce what’s known as mucosal immunity against SARS-CoV-2.

mucosal vaccine
Spraying spray bottle
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