Masks for all? The science says yes.

Support for mask wearing is growing rapidly. The Artificial Intelligence Company has published an excellent post that lays out in a clear way some of the scientific research that supports the use of face masks to fight Coronavirus.

A particularily clear illustration is made by the infection rates of two Countries: European neighbours Austria and Czechia. They both implemented social distancing on the same day but Czechia went a step further and introduced mandatory mask wearing.

Comparison of COVID-19 cases between Czechia and Austria

Simply speaking could transmit coronavirus

people talk

A new study, published in the New England Journal of Medicine, suggests that tiny aerosol droplets are ejected from the mouth when speaking and can hang in the air for up to 9 minutes.

The study found that wearing a mask eliminates the ejection of these droplets.

Scientists are currently investigating whether these tiny droplets have the ability to carry the Coronavirus.


“I’m just a girl, standing in front of a boy, asking him to not infect her.” (with apologies to Notting Hill, Julia Roberts and Richard Curtis)

This website aims to collect and share information about the role that masks can play in the fight against Coronavirus.

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Study finds face masks do help fight Coronavirus

A report in Nature Magazine gives strong evidence that face masks are effective in reducing transmission of Coronavirus.

The scientists selected a sample of 246 volunteers, half of whom had coronavirus, influenza or rhinovirus. They split this group into two and gave one of the groups facemasks. Breath samples were then collected from each person.

The results clearly show the benefits of face masks:

We detected coronavirus in respiratory droplets and aerosols in 3 of 10 (30%) and 4 of 10 (40%) of the samples collected without face masks, respectively, but did not detect any virus in respiratory droplets or aerosols collected from participants wearing face masks

Respiratory virus shedding in exhaled breath and efficacy of face masks

The rather wonderfully named Gesundheit II machine used in the study for collecting respiratory droplets.