“We still don't kn...”
Yes we bloody well do. Let me list them for you:
- closing borders, staying home
- comprehensive quarantine/test/trace/isolate
- universal quantitative-fit-tested masking (#MaskMeansRespirator #P100>N95)
- universal masking
- 1-way quant-fit-tested masking
- performative QTTI
- in-person physical distancing
- anything based on evidence of symptoms
- declaring the pandemic over
https://time.com/6252107/we-dont-know-what-works-best-slow-spread-covid-19/