It is a new strain and therefore it is going to take some time to create a vaccine. It may take anywhere from a few months to a couple of years. I heard that facial masks are in short supply and donating some medical equipment including masks will be a great way to help the Chinese. But there is very little that can be done on our part, since the virus is extremely contagious and spreads through air. The only way to stop it is by enforcing lockdowns and quarantines. And it is up to the Chinese government to do that.
To make a donation campaign like this you have to be an established entity with a proven record. You just cannot randomly start your own, and expect the money to actually reach its intended destination.
If OP collects money, who is going to ensure it reaches China? And the entirety of it? Sure the Chinese government probably accepts donations, and such donations probably wouldn't even be used for the virus and there is no way you can even audit that. Some organizations send things instead (such as masks) but again they will go to the government and then they will decide who gets them and who don't, and what quantity.
This is a big problem with raising money for causes. Or are you going to aid big pharma develop a vaccine?
The Chinese companies are taking the chance to improve their relations with the government, don't think the likes of Binance are suddenly humanitarian. Yes its nice of them, maybe they get some tax exemption later. Lets just hope some of their money actually reaches victims, but no one can truly audit that, people can only hope.
I think the best thing you could do is in fact help develop a vaccine funding those efforts to something local to you (that you can verify), or ask one of the world renown non gov humanitarian organizations to see if they are taking bitcoin donations.
Something similar happened before with the Amazon fires, people here wanted to "give money" but didn't stop to think what that money was doing (if anything). Indeed Brazil did not stop their century old deforestation policy ("developing").
Please when you feel the urge to donate your money, be smart as if you were doing an investment. Perhaps doing an actual investment in something that might benefit the intended cause may actually be better.