if it gets desperate theyll probably just do like that one west virginian town who begged for a bridge from the ussr to get the US to act, they'll send some desperate appeal to china who will start pretending like they'll devise a rescue mission which will get the US off its ass
It's literally illegal for Americans to ask China for co-operation in space related matters thanks to The Wolf Amendment and Russia due to sanctions. I don't believe other space faring nations have the capability right now, either.
Imagine even hinting at asking China for help and getting slapped with High Treason as soon as you land on Earth.
NASA has learned that without Earth’s gravity affecting the human body, weight-bearing bones lose on average 1% to 1.5% of mineral density per month during spaceflight.