Hospitals all around the country are delaying scans and procedures for patients because of a shortage of IV contrast dye, a liquid that’s injected into the veins to make organs and blood vessels easier to see on a CT scan or an X-ray. Much of the dye is manufactured at GE’s plant in Shanghai. Because of the current COVID-19 lockdowns in China, that plant has been closed or operating at reduced capacity for weeks.

https://zerocancer.org/zeronews/need-a-ct-scan-you-may-have-to-wait-weeks-thanks-to-lockdowns-in-chi