The person "pushing" this is apparently Margery Smelkinson who according to bio on the Atlantic is an infectious-disease scientist whose research has focused on

The person "pushing" this is apparently Margery Smelkinson who according to bio on the Atlantic is an infectious-disease scientist whose research has focused on influenza and SARS-CoV-2, further research indicates that she is a staff scientist at The National Institutes of Health. So you know, just another one of those run of the mill nut jobs out there. Although she did at least manage to string together a few paragraphs laying out her case and citing sources as compared to you single sentence rebuttable.