claim: 美国国立卫生研究院院长：新冠病毒源于自然
summary: nih director publishes blog post that claims genomic study points to the natural origin of the virus
subject_description: nih blog claims the source of the virus is nature
Motive_Description: spread false claims of the source of the virus
author_description: francis collins blogger
keywords: coronavirus, francis collins, nature, nih director, genomic study