The ASTM F3502-21 Mask Specification Standards
This specification is primarily intended to help ensure barrier face coverings meeting the stated requirements
This specification is primarily intended to help ensure barrier face coverings meeting the stated requirements
This timeline, along with other studies and efforts, was done to shed light on a novel coronavirus known as COVID-19 developed in the Chinese city of Wuhan at the end of 2019.
In late November 2021, the World Health Organization (WHO) identified a new SARS-CoV-2 strain, called the Omicron variant.
COVID-19 is currently a global pandemic that initially emerged in December 2019, with its epicenter being in Wuhan, China. Since then, COVID has taken the world by surprise.
Wearing face masks is recommended as part of personal protective equipment and as a public health measure to prevent the spread of Covid 19. With new variants that are even more contagious, it is important to wear masks that will have a high filtration capacity.
"We would not have thought that at a distance of several meters it would take so little time for the infectious dose to be absorbed from the breath of a virus carrier" says Eberhard Bodenschatz, Director at the Max Planck Institute for Dynamics and Self-Organization.
The following are five questions about masks that always stump people—and the answers you should know.
Mask use has not always been something people have done. The history of the medical mask goes back much further than most people realize.
Face mask accessories are currently beginning to gain popularity, if you are not familiar with the term face mask accessorizing you should know it isn’t all about fashion. A lot of these tricks are further about function than frivolousness and make it easier to wear your mask for long period of time.
The most comfortable masks for men with beards Masks have become part of our everyday routine since the Covid-19 pandemic