An August 2020 review by a German professor in virology, epidemiology and hygiene found that there is no evidence for the effectiveness of cloth face masks and that the improper daily use of masks by the public may in fact lead to an increase in infections.

Link, 👇

Oh dear @Bruceps I expected better from you. Surgeons don't wear masks to protect against VIRUSES. It's mainly to protect themselves from blood spatter 😂

A paper released a few days ago by the Association of American Physicians and Surgeons says masks have near zero efficiency in protecting you against

And here are 64 published studies all saying masks do not halt viruses

@trestrange @PaulScott005 Here is evidence that they work - over 90 studies (including a meta analysis of 21).

Meta analysis of 21 studies:
https://t.co/GBymOZJY0m

Recent study in Germany:
https://t.co/irHP0wDDCn

70 various studies showing impact of masks on

Masks Masquerading as ScienceTM.

I spent a good part of my career engineering emulsion PCR and Nebulization equipment for DNA and RNA shearing. I have a very different view on this topic and have mostly stayed out of the debate as it's now cultish.

My largest concern over mask studies is most of them fail to include live virus in the study and measure the infectivity of the particles on the inside and outside of the masks, the fomite formation, and the microbiome risks associated with non-sterile technique mask use.

The focus as been myopic ironically. It is focused on the reduction of large droplets while failing to consider if the larger droplets are getting nebulized into smaller ones.

If you study the field you will see viral nebulization is a technique used to get higher infectivity of viruses. This is used with ventilator patients suffering from pseudomonas aeruginosa infections. Nebulize bacteriaphage to get deep into the lungs and kill bacteria.

In fact products exist on the marketplace to nebulize medicines because aerosols get deeper into the lungs than large droplets.

#MASKUP THREAD

If someone asks: What's the evidence for mask wearing? Here is a list of *SEVENTY* papers, including reviews/meta-analysis and individual studies, in reverse chronological order. Includes 31 from 2020 alone (!!). META = meta-analysis or systematic review.

0/70

1/70
"Visualizing the effectiveness of face masks in obstructing respiratory jets," Verma et al., June 30 2020, Phys Fluids:

2/70
"Community Use Of Face Masks And COVID-19: Evidence From A Natural Experiment Of State Mandates In The US" Lyu et al., June 16 2020, Health

3/70
"Association of country-wide coronavirus mortality with demographics, testing, lockdowns, and public wearing of masks" Leffler et al., June 15 2020,

4/70
"Identifying airborne transmission as the dominant route for the spread of COVID-19" Zhang et al., June 11 2020,