* RCTs of vaccine efficacy
* Test-negative case-control studies
* Self-controlled case series
* Ecological studies of various interventions
And:
* CDC’s case-control study of mask efficacy, with a litany of fatal flaws
journals.sagepub.com/home/aph
journals.sagepub.com/home/aph
* RCTs of vaccine efficacy
* Test-negative case-control studies
* Self-controlled case series
* Ecological studies of various interventions
And:
* CDC’s case-control study of mask efficacy, with a litany of fatal flaws
* RCTs of vaccine efficacy
* Test-negative case-control studies
* Self-controlled case series
* Ecological studies of various interventions
And:
* CDC’s case-control study of mask efficacy, with a litany of fatal flaws