Coughing video reveals the best face masks to prevent spread of coronavirus – The Sun

THIS high-speed video shows what difference masks make in preventing the spread of coronavirus.

Scientists from the University College Dublin tested various different face coverings to examine how effective they are at preventing the viral spread of the deadly bug – in comparison to someone without a mask.

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And they found that FFP3 masks, surgical masks and visor masks all have a positive impact at stopping those who are infected with Covid-19 from passing on the disease.

It comes as Brits have today been told to wear face coverings in public to prevent the spread of coronavirus.

The researchers took videos with a high speed and high resolution camera to capture how different masks stop the spread of coronavirus.

The images show how coronavirus particles, coloured blue and green, penetrate the air, coloured grey, with different face masks.

Particles dispersed

In particular, the FFP3 mask, which is a disposable face mask worn by the NHS when they can get them, and the visor mask, which is a longer face shield, both stopped many particles from being released into the air.

The surgical single-use masks however proved slightly less effective, as more coronavirus particles were dispersed into the air.

However, in comparison to the video captured of someone without a mask, it still has a significant impact at hindering the spread of the virus.

The scientists also point out that if coronavirus patients cough into their elbow this can have a similar positive effect to a mask.

Boris Johnson today revealed that homemade masks should be worn in enclosed spaces where social distancing isn’t possible or where you may come into contact with people from outside of your household.

It includes public transport and in some shops, the Prime Minister's 50-page roadmap to get the UK out of lockdown reveals.

Evidence suggests that wearing a face covering does not protect you, but it may protect others if you are infected but have not developed symptoms.

It comes as commuters packed onto Jubilee Line trains this morning, hours after Boris Johnson revealed his roadmap out of the coronavirus lockdown.

New guidance

Earlier today TfL said all passengers and staff would need to wear masks on the Underground, and advised people avoided busy times.

No 10 stressed that face coverings could include scarves and homemade masks – and added surgical masks used as vital PPE should be left for NHS and healthcare workers.

The guidelines state that children under the age of two should not wear masks, nor should anyone who may find it difficult to manage them safely.

This includes primary age children and those with respiratory conditions.

The Government also warned that for face coverings to be effective, people must wash their hands before putting them on and taking them off.

Currently, the World Health Organisation (WHO) says only people who are showing symptoms or caring for coronavirus patients should wear them.

However, WHO's main adviser David Heymann recently said he believes"wearing a mask is equally effective or more effective than distancing."


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