A worker passes a line of freezers holding coronavirus disease (COVID-19) vaccine candidate BNT162b2 at a Pfizer facility in Puurs, Belgium in an undated photograph.Pfizer | via ReutersTexas is preparing to start administering the first Covid-19 immunization shots in less than three weeks — as soon as the U.S. Food and Drug Administration grants emergency approval to distribute Pfizer’s or Moderna’s vaccine.It’s a gargantuan task for the second-most populated state in the nation. The coronavirus has swept across the Lone Star State after it reopened its economy in May. It has confirmed more Covid-19 cases than any other …
