While researchers explore the possibilities of COVID-19 vaccines that don’t require an injection, public health officials in India and China have already each approved new needle-free versions for their citizens.
In India, regulators on Tuesday approved a nasal vaccine developed in the United States and manufactured by the company Bharat Biotech.
Meant for people who have not yet been vaccinated, it was not clear how well it works because the company has not yet released study results, although it has also applied for the spray to be used as a booster.
