Is a COVID-19 vaccine nasal spray in our future?

World Today

A health worker takes a nasal swab sample of a woman to test for COVID-19 before she receives the vaccine in Gauhati, India, Friday, June 18, 2021. (AP Photo/Anupam Nath)

In the ongoing fight against COVID-19 – work goes on to find even more effective vaccines and therapeutics. Brazil is among several countries developing a vaccine delivered through a nasal spray. The logic is to get COVID-19 at its source of entry. CGTN’s Paulo Cabral reports.