All your umms and ummms are covered in the two i have just posted. This one
"Importantly, the intelligence community still does not know what the researchers were actually sick with, said the people briefed, and continues to have low confidence in its assessments of the virus' precise origins beyond the fact that it came from China. "At the end of the day, there is still nothing definitive," said one of the people who has seen the intelligence."
with your "Some did get sick and were hospitalized Nov 2019 but as for a positive test,,,No access "
I'm assuming you haven't read this yet
I was the Australian doctor on the WHO’s COVID-19 mission to China. Here’s what we found about the origins of the coronavirus [...] We spoke to the scientists there. We heard that scientists’ blood samples, which are routinely taken and stored, were tested for signs they had been infected. No evidence of antibodies to the coronavirus was found. We looked at their biosecurity audits. No evidence. [INSERT: That apparently factual statement would appear to debunk this (possibly pure propaganda) WSJ story. Note there is no mention of antibody tests here. It's 3 days old Intelligence on Sick Staff at Wuhan Lab Fuels Debate on Covid-19 Origin Report says researchers went to hospital in November 2019, shortly before confirmed outbreak; adds to calls for probe of whether virus escaped lab https://www.wsj.com/articles/intelligence-on-sick-staff-at-wuhan-lab-fuels-debate-on-covid-19-origin-11621796228 ] https://investorshub.advfn.com/boards/read_msg.aspx?message_id=164055760
You duck and weave looking for some unsubstantiated theory as much as you want. I'm sticking to available evidence. And taking a break now.