< a href= " /news-events/nih-research-matters/intranasal-covid-19-vaccine-effective-animal-studies " > Intranasal COVID-19 vaccine effective in animal studies < /a >

A nasal spray of a COVID-19 vaccine protected hamsters and monkeys against serious disease and reduced the amount of virus in the nose.
Source: NIH Research Matters from the National Institutes of Health (NIH) - Category: Consumer Health News Source Type: news