Acute coronary syndrome (ACS) is a syndrome (a set of signs and symptoms) due to decreased blood flow in the coronary arteries such that part of the heart muscle is unable to function properly or dies.

Anaphylaxis is a severe and potentially life-threatening allergic reaction that occurs rapidly and affects multiple body systems.

The Bill & Melinda Gates Foundation is a private foundation established by Microsoft co-founder Bill Gates and his wife Melinda Gates.

Cipla Limited is an Indian multinational pharmaceutical company headquartered in Mumbai, Maharashtra, India.

COVID-19 Vaccines Global Access, abbreviated as COVAX, is a worldwide initiative aimed at equitable access to COVID-19 vaccines directed by the GAVI vaccine alliance, the Coalition for Epidemic Preparedness Innovations (CEPI), and the World Health Organization (WHO), alongside key delivery partner UNICEF.

The first case of the COVID-19 pandemic in India was reported on 30 January 2020, originating from China.

The Wikipedia page on COVID-19 vaccine provides an overview of the various vaccines developed to combat the COVID-19 pandemic.

DNA, also known as deoxyribonucleic acid, is a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.