2 March 2022. China has spent over a year developing Pfizer-type COVID-19 vaccines that may even help it pivot from stringent “zero-COVID” restrictions. Still, China is unlikely to join the majority of countries in approving foreign-made vaccines based on messenger RNA (mRNA) technology before making its own. https://www.reuters.com/business/healthcare-pharmaceuticals/china-perseveres-with-mrna-covid-shot-development-amid-omicron-commercial-2022-02-28/