How the Delta variant achieves its ultrafast spread (nature.com)

How the Delta variant achieves its ultrafast spread

Viral load is roughly 1,000 times higher in people infected with the Delta variant than those infected with the original coronavirus strain, according to a study in China.

Perhaps you should read about RT-PCR testing from research scientists who use it rather than the scribblings of internet conspiracy theorists.

This link and other pieces on his website.

Putting PCR into real-time - Virology Down Under