The US government continues to refuse to recognize naturally acquired immunity as valid. You can lose your job if you've recovered from COVID19 but do not get the vaccine. There's no reasonable excuse for doing this.
BECUASE IT ISN'T VALID
More than a third of COVID-19 infections result in zero protective antibodies
Natural immunity fades faster than vaccine immunity
Natural immunity alone is less than half as effective than natural immunity plus vaccination
https://www.nebraskamed.com/COVID/covid-19-studies-natural-i...