COVID-19 vaccine has been developed to provide acquired immunity (an immunity that is induces from outside source) against SARS-COV-2, main cause for COVID-19.
How COVID Vaccine Works?
COVID Vaccine contains weakened/inactive virus that triggers immunity system and then immunity system automatically produce antibodies which makes a memory of the virus /pathogen for future exposure to the same.
List Of COVID Vaccines Available In India:
COVISHIELD & COVAXIN are primary vaccines but soon INDIA will provide another vaccine named SPUTNIK V i.e. approved by government and as per recent data it is more effective against SARS-COV2.
Covishield is developed by Serum
Covaxin is developed by Bharat biotech
Sputnik V Gamaleya research institute of epidemiology and microbiology, Russia.
Is Vaccine Safe?
Definitely COVID vaccines are safe and it is very important to get vaccinated as soon as possible for safety precaution.
Importance of vaccines:
Reduces risk of infection
Weakens the deadly effect of virus
Makes immunity system strong and protect from other infections too
Long term beneficial
High rate of effectiveness
Prevent you to getting or spreading the virus
References:
https://www.who.int/news-room/feature-stories/detail/how-do-vaccines-work?gclid=Cj0KCQjwk4yGBhDQARIsACGfAeuTWZL7JoxqbPBLCx2_k9MONNz-ble2MP3O8-KKWY3ZW-28pkoxm2kaAm30EALw_wcB