Otto Kolbl
@ottokolbl.bsky.social
Researcher UNIL on health issues (now #MECFS, #nextPandemic), related media reporting; in 2020 German Interior Min. COVID-19 task force. Works with methodological concept "information transmission chain". I am new here, but here to stay!
But: For the Cochrane review, cases from studies where the difference surgical vs N95 is strongly diluted are added to cases from well designed studies. One study with strong dilution (Radonovich 2019), but more cases than the other studies, gets the upper hand. 12/
September 15, 2025 at 4:57 PM
But: For the Cochrane review, cases from studies where the difference surgical vs N95 is strongly diluted are added to cases from well designed studies. One study with strong dilution (Radonovich 2019), but more cases than the other studies, gets the upper hand. 12/
In many epidemics and in the COVID-19 pandemic, healthcare workers (HCW) have died or suffered long-term illness. Governments were criticized for not providing PPE. Now the backlash: Oxford University Center for Evidence-based Medicine, Cochrane and others claim that N95/FFP2 masks are useless. 1/
September 15, 2025 at 4:57 PM
In many epidemics and in the COVID-19 pandemic, healthcare workers (HCW) have died or suffered long-term illness. Governments were criticized for not providing PPE. Now the backlash: Oxford University Center for Evidence-based Medicine, Cochrane and others claim that N95/FFP2 masks are useless. 1/