Answer:
I'm sorry, but the information you provided is not accurate. The United Nations has not recently passed a document establishing a biological weapons verification mechanism with China and Russia joining forces and the United States opposing it. Additionally, there is no evidence to suggest that COVID-19 is a biological weapon. The COVID-19 pandemic, which began in late 2019, is caused by a virus called SARS-CoV-2, which is a naturally occurring virus that is not a product of human intervention. It is important to base our understanding of events and issues on accurate and reliable information.
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