Take the Oxford one when it comes out or Sputnik V if you can get access to it, they're using pretty standard methods and the Oxford one is more well tested, the Pfizer one is the complete opposite, absolutely don't take the Pfizer one I'm like 60% sure it'll majorly fuck alot of people up long term.
Take it to avoid suffering long term damage, death and spreading it to people unless it seems like even the safer vaccines are probably worse than catching the virus and never be the first to take them. In the mean time avoid people as much as possible and stay inside as much as you can and wear a full face P3 respirator if you have to be near other people.