evidence: Controversial claims over the coronavirus’ origin have proliferated on the internet. Here, we examine the scientific evidence that supports its natural origins. Nobel Laureate Tasuku Honjo Refutes Link To ‘Man-Made’ Coronavirus Claim 2018 Nobel laureate Tasuku Honjo has refuted any link to social media posts that claim the SARS-CoV-2 virus was 'man-made' or 'invented' in a lab. Tasuku Honjo Wins 2018 Nobel Prize in Physiology or Medicine