Some elderly friends have asked why Britain is opting to use a brand new RNA/nanotechnololgy style vaccine (which has never been approved before) and is only ~94% effective, when there is a traditional inactivated vaccine that is 100% effective? I presume Pfizer simply have better lobying, but given the choice, I would rather go with old-fashioned sinovac https://www.thelancet.com/journals/laninf/article/PIIS1473-3...