<http://board.themat.com/index.php?/topic/29088-why-didnt-lee-wrestle-rivera/page/5/#comment-634304>
<http://schema.org/text>
"don't think there is yet an approved 4th but the 3rd/booster has a time limit.  Also they are saying Omicron protects you against Delta. \n \n"
<http://board.themat.com/index.php?/topic/29088-why-didnt-lee-wrestle-rivera/page/5/&tab=comments#comment-635951>