An extended thread topic. Discussion of the different Covid vaccines. Comparisons. Contrasts. Pros. Cons. Firsthand experiences, scientific insights, etc... ** The current vaccines available on the market are: 1) Pfizer/BioNTech (mRNA) 2 doses 2) Moderna (mRNA) 2 doses 3) Johnson & Johnson aka Janssen (DNA adenovirus vector) 1 dose (And for those with any experience or expertise regarding some of the additional ones avail overseas, feel free to contribute as well! Note: none of the below employ mRNA technology.) - AstraZeneca (British/Swede collab) - SinoVac (China-developed) - Sputnik V (Russia-developed)