Covid19_Vaccines Only Ray Of Hope- English

This book majorly covers the following topics:

• Beginning of pandemic and measures we took to cope up with it until vaccines were produced.
• It covers why we need vaccines and how vaccines are made.
• It provides details on how vaccines work on the human body.
• Types of vaccines that are clinically approved so far (especially in India and USA).
• Details about approved vaccines like manufacturer, type, dosage, effectiveness,  side effects etc
• A section of this book also answers the most commonly asked questions regarding Covid -19 vaccines.