$OPK Without a doubt a major player in Coronavirus testing. At this moment, OPK with its innovative drive thru testing in several states by it’s lab, BioReference and the big news that will soon come out with its HGH (human growth hormone for children) joint agreement with Pfizer, when OPK receives a $275 Million up front royalty payment soon from PFE is a very dynamic company. Buying more OPK!
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