Not sure how you would judge that, but it is all over the news:Is this really the whole banana or another attempt to attack Trump ?

Cuba: U.S. embargo blocks coronavirus aid shipment from Asia
Cuban officials say a shipment of coronavirus aid from Asia's richest man, Jack Ma, has been blocked by the six-decade U.S. embargo on the island.

Coronavirus-hit countries are asking Cuba for medical help. Why is the US opposed? | CNN
Cuba is sending doctors to more countries struggling with the coronavirus. But don't accept their help, the US State Department says.

Covid-19: Cuba Deserves Relief From US Sanctions
Humanitarian deterrence of the virus, not Cold War–era regime change, should be the top priority of US foreign policy.


Cuba: US embargo blocks coronavirus aid shipment from Asia
HAVANA - Cuban officials say a shipment of coronavirus aid from Asia’s richest man, Jack Ma, has been blocked by the six-decade U.S. embargo on the is...
It is possible that all of the above are biased, but I have no other means to validate what you are asking.