Now make a similar image with a fart. That's more analogous to COVID-19 virions (particles carrying the virus), which average .125 microns and pass through cloth masks just as easily as methanethiol (.9 microns, the compound responsible for the odor of a fart) passes through several layers of clothes across a room.
Abstract. A shortage of disposable filtering facepiece respirators can be expected during a pandemic respiratory infection such as influenza A. Some indivi
academic.oup.com
Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection. Further research is needed to inform the widespread use of cloth masks globally. However, as a precautionary measure, cloth masks should not be recommended for HCWs, particularly in high-risk situations, and guidelines need to be updated.
...
There were three primary end points for this study, used in our previous mask RCTs. ... (3) laboratory-confirmed viral respiratory infection. Laboratory confirmation was by nucleic acid detection using multiplex reverse transcriptase PCR (RT-PCR) for 17 respiratory viruses: ... severe acute respiratory syndrome (SARS)
associated coronavirus (SARS-CoV), coronaviruses 229E, NL63, OC43 and HKU1.
Adverse events associated with facemask use were reported in 40.4% (227/562) of HCWs in the medical mask arm and 42.6% (242/568) in the cloth mask arm (p value 0.450). General discomfort (35.1%, 397/1130) and
breathing problems (18.3%, 207/1130) were the most frequently reported adverse events.
Laboratory tests showed the penetration of particles through the cloth masks to be very high (97%) compared with medical masks (44%) (used in trial) and 3M 9320 N95 (<0.01%), 3M Vflex 9105 N95 (0.1%).
The aim of this study was to compare the efficacy of cloth masks to medical masks in hospital healthcare workers (HCWs). The null hypothesis is that there is no difference between medical masks and cloth masks. 14 secondary-level/tertiary-level ...
www.ncbi.nlm.nih.gov
Either believe in the science, or just pay lip service to science and pound your narrative. You can't have it both ways.