COVID-19 Vaccines: mRNA Vaccines for COVID-19The use of mRNA in medical interventions has been researched for the last 20 years, hence it was ready to be applied to the COVID-19 vaccine
COVID-19 VACCINES: Adenovirus-Based Vaccines for COVID-19Adenoviruses have been used in gene therapy and have also been researched for use in vaccines for decades including for Covid-19.
GENE & CELL THERAPY 101: Different Approaches to Gene & Cell TherapyTreating disease by changing our bodies at a microscopic level: gene and cell therapy.