![NPHCDA on Twitter: "Does COVID-19 vaccine contain a micro-chip? NO! COVID-19 vaccine does not contain any harmful substance or micro-chip. All vaccines including COVID-19 vaccines are manufactured under strict compliance with WHO NPHCDA on Twitter: "Does COVID-19 vaccine contain a micro-chip? NO! COVID-19 vaccine does not contain any harmful substance or micro-chip. All vaccines including COVID-19 vaccines are manufactured under strict compliance with WHO](https://pbs.twimg.com/media/EsVDtwwWMAIsTq4.jpg:large)
NPHCDA on Twitter: "Does COVID-19 vaccine contain a micro-chip? NO! COVID-19 vaccine does not contain any harmful substance or micro-chip. All vaccines including COVID-19 vaccines are manufactured under strict compliance with WHO
![Safety and immunogenicity of two recombinant DNA COVID-19 vaccines containing the coding regions of the spike or spike and nucleocapsid proteins: an interim analysis of two open-label, non-randomised, phase 1 trials in Safety and immunogenicity of two recombinant DNA COVID-19 vaccines containing the coding regions of the spike or spike and nucleocapsid proteins: an interim analysis of two open-label, non-randomised, phase 1 trials in](https://www.thelancet.com/cms/attachment/35119332-7a2b-454e-a1e9-e13bb43dff96/gr1.gif)
Safety and immunogenicity of two recombinant DNA COVID-19 vaccines containing the coding regions of the spike or spike and nucleocapsid proteins: an interim analysis of two open-label, non-randomised, phase 1 trials in
![CDC on Twitter: "#VaxFact: mRNA #COVID19 vaccines work differently than other types of vaccines, but they still work to trigger an immune response in your body and help protect you from COVID-19, CDC on Twitter: "#VaxFact: mRNA #COVID19 vaccines work differently than other types of vaccines, but they still work to trigger an immune response in your body and help protect you from COVID-19,](https://pbs.twimg.com/media/E-8npfCWYAMzdlC.jpg)