If Joe posted on his Facebook an article that includes "5 mil handed over" we can assume the money is in the bank ............

"In addition to the upfront fee for the overall deal, the unnamed partners have handed over $5 million to license the Covid-19 vaccine candidate and promised a $20 million success fee if it’s approved in China. Separate contracts for the other indications are being finalized. "

So when it's time China will decide , after "complete vaccine" successfully delivered (IP), IF it will be approved ..............worst case scenario they could own the vaccine for 5 mil .........