Red Cross Blood Central OH on X: Type O blood is the most in-demand blood type and the first to run out during a shortage. If you have type O negative or

Blood type - Wikipedia

Red Cross says there's a 'critical shortage of Type O blood

What You Need To Know About Blood Type And Your Health

Blood donation in times of crisis helps others, and it might help you - The Washington Post

Urgent call for Type O and platelet donors amid blood shortage in WNC

Blood types

Please consider donating blood if you are able : r/SeattleWA

What does your blood type mean for your health?

Blood type - Wikipedia