Russian Foreign Ministry's spokesperson Maria Zakharova (AFP/VNA)

At her weekly press briefing, the ministry's spokesperson Maria Zakharova called the US decision "an unconstructive move," which clearly demonstrates Washington's inability to pursue a consistent foreign policy based on objective realities.

By blacklisting Havana, the US has also discredited itself in the eyes of everyone who is familiar with "the selfless work of Cuban doctors in dozens of countries around the world" amid the COVID-19 pandemic, she added.