Nasal vaccine may aid fight against new viral variants
New study may help explain why infants are less affected by COVID than adults
10 December 2021Drugmakers singling out US for inflation-busting price hikes: probe
10 December 2021Nasal vaccine may aid fight against new viral variants
The emergence of COVID-19 variants such as delta and omicron have sent scientists scrambling to determine whether existing vaccinations and boosters are still effective against new strains of SARS-Cov-2.
