I am going to share this as I think there is a much wider point to make. Last year, I studied the #Immensa #Dantelabs #COVID19 testing scandal.

A large #PCR lab basically produced tons of #FalseNegatives -- see my thread from last year:

https://twitter.com/fetzert/status/1460166688423489538

Today the #Inquiry results came out. Wrong equipment settings were to blame. This is what produced the #FalseNegatives.

More importantly, there is now an #Epidemiology paper with *13*
@UKHSA
authors. Let's compare...
@economics

Thiemo Fetzer πŸ‡ͺπŸ‡ΊπŸ‡ΊπŸ‡¦ on Twitter

β€œWhat is the epidemiological impact of a #falsenegative #COVID test? An important question in a high vaxx/low NPI context, but one that cannot be studied in a experiment for obvious reasons. Enter the UK, a reliable supplier of #naturalexperiments. πŸ§΅β¬‡οΈ ➑️https://t.co/Zt0cHz9zoo”

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