The Pfizer vaccine will be available to members of the general public, aged 18 and up, from tomorrow, Friday, August 20. The Immunisation Unit will allow people to walk into the vaccination centres tomorrow, as well as Saturday, August 21, and Sunday, August 22, to receive first doses of the vaccine of their choosing, either the Pfizer or Sinopharm. They are cautioned, however, that there might be a wait depending …