Original work of Dr Sam Bailey. Explains PCR in simple language as well as its limited range of usefulness, not just pertaining to SARS-CoV-2 "detection". Support Dr Sam on subscribestar.com/drsambailey And follow Sam on Odysee (go on you know you want to!) ▶odysee.com/@drsambailey:c or on BrandNew Tube (yes, it has even more stuff!) ▶brandnewtube.com/@Drsambailey