| Brand Name | Pfizer-BioNTech | Moderna | Johnson & Johnson’s Janssen |
|---|---|---|---|
| Name | BNT162b2 | mRNA-1273 | JNJ-78436735 |
| Age requirement | 16 years and older | 18 years and older | 18 years and older |
| Number of shots | 2 shots given 3 weeks (21 days) apart | 2 shots; given 4 weeks (28 days) apart | 1 shot |
| Injection site | Upper arm muscle | Upper arm muscle | Upper arm muscle |
| Time duration to be completely vaccinated | 2 weeks after the second shot | 2 weeks after the second shot | 2 weeks after the shot |
| Side effects | Injection site: Swelling, Pain, Redness Rest of body: Nausea, Headache, Tiredness, Chills, Fever, Muscle pain | Injection site: Swelling, Pain, Redness Rest of body: Nausea, Headache, Tiredness, Chills, Fever, Muscle pain | Injection site: Swelling, Pain, Redness Rest of body: Nausea, Headache, Tiredness, Chills, Fever, Muscle pain |
| How do the vaccines work? | mRNA vaccine: Also called messenger RNA vaccine, instructs our cells to make viral proteins. The body then develops an immune response to the newly made viral proteins; learning how to protect itself from a viral infection. | mRNA vaccine: Also called messenger RNA vaccine, instructs our cells to make viral proteins. The body then develops an immune response to the newly made viral proteins; learning how to protect itself from a viral infection. | VIral vector vaccine: A harmless virus is used to deliver the genetic code for the COVID-19 spike protein. The body then develops an immune response, preparing itself for the actual infection of COVD-19. |
Each state has an individual plan for the vaccine. Use the link below to obtain more information regarding vaccine availability and registration. https://www.cdc.gov/coronavirus/2019-ncov/vaccines/How-Do-I-Get-a-COVID-19-Vaccine.html
Source: www.cdc.gov
Date: April 20, 2021
| Brand Name | COVAXIN | COVISHIELD | Sputnik V (pending emergency use authorization) |
|---|---|---|---|
| Origin | India (Bharat Biotech) | Oxford-AstraZeneca (manufactured locally by Serum Institute of India) | Russia (Gamaleya Research Institute & Crocus Medical BV) |
| Name | BBV152 | ChAdOx1 nCoV- 19 CoronaVirus Vaccine (Recombinant) | Gam-COVID-Vac |
| Age | 18 years and above | 18 years and above | 18 years and above |
| Number of shots | Two injections given 4 weeks apart | Two injections given 4 to 6 weeks or upto12 weeks apart | Two injections given 21 days apart |
| Injection site | Upper arm | Upper arm | Upper arm |
| Frequent Side effects | Headache, fatigue, fever, body ache, abdominal pain, nausea, vomiting, rashes | Injection site tenderness and/or pain, headache, fatigue, muscle pain, malaise, fever, chills, joint pain, nausea | Flu-like illness, injection site reactions, headache, weakness and lack of energy. |
| How do the vaccines work? | Inactivated coronavirus expressing the viral spike (S) protein of coronavirus | Weakened version of an adenovirus encoding a protein of coronavirus. Following administration, the coronavirus protein is expressed locally stimulating neutralizing antibody and cellular immune responses. | The two shots are two slightly different versions a cold-type virus, engineered to be harmless, as a carrier to deliver a small fragment of the spike protein of coronavirus to the body. The idea of using two different shots is to give a greater boost to the immune system |
| How to obtain the vaccine | Register on the Co-WIN Portal and schedule your vaccination appointment. https://www.cowin.gov.in/home; Vaccines are available from Government and Private Health Facilities as notified, known as COVID Vaccination Centres (CVCs) | Pending emergency use authorization | |
| Reference | https://cdsco.gov.in/ https://www.bharatbiotech.com/ | https://cdsco.gov.in/ | Lancet. 2021 Feb 20;397(10275):671-681 |
Date: April 20, 2021
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