Seems the COVID 19 card is still in play.
4,564 studies of COVID-19 are still in play in the following status
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Not yet recruiting
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Recruiting
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Enrolling by invitation
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Active, not recruiting
Pic related.
https://www.clinicaltrials.gov/ct2/results?cond=COVID+19&Search=Apply&recrs=b&recrs=a&recrs=f&recrs=d&age_v=&gndr=&type=&rslt=