David Icke first told us about fraudulent PCR tests in late March 2020. It’s taken the WHO 10 months to issue this guidance. Cynical old us would suggest It’s aimed at reducing false positives AND it’s timed to coincide with the roll-out of the competing COVID19 vaccines. And should the scam work, here’s a likely newspaper headline: “CASES ARE PLUMMETING GLOBALLY. COVID VACCINES ARE WORKING”.
https://www.who.int/news/item/20-01-2021-who-information-notice-for-ivd-users-2020-05