How to book your Covid vaccine appointment via WhatsApp? Making your life much easier, the government has now made it possible to book vaccine slots using WhatsApp. The tie-up between the Union Ministry of Health and Family Welfare, MyGovIndia and WhatsApp will enable eligible individuals to get an appointment for a dose of the vaccine using their phones. It just takes a few simple steps to avail this feature. 1)Save the WhatsApp number +91 9013151515. 2)Send a message, ‘Book Slot’ to the same number 3)You will receive an OTP. 4)Post this you can choose your preferred location, centre and slot.