Till now no COVID-19 vaccine has been administered to children. Also it is not yet known what effects a vaccine may have on kids. But now things may change soon. US-based Biotechnology company Moderna on Tuesday announced that it is now testing a COVID-19 vaccine designed to be used on children aged between 6 months to less than 12 years old. To begin with the company intends to enroll approximately 6750 paediatric participants in the US and Canada. The trials are being conducted in collaboration with the National Institute of Allergy and Infectious Diseases (NIAID) and the Biomedical Advanced Research