Viral Vector-based Vaccine uses a modified vector to deliver a genetic code for antigens, which uses the body’s own cells to produce them. To know more, click the link below: https://healthlibrary.askapollo.com/what-are-viral-vector-based-vaccines-and-how-could-they-be-used-against-covid-19/ Follow the basic COVID -19 guidelines. To book an appointment, Call us at 1860 500 1066 or visit www.askapollo.com #apollohospitals #askapollo #vectorvaccine #covi̇d19 | Apollo Hospitals