Masks may be more effective as a “source control” because they can prevent larger expelled droplets from evaporating into smaller droplets that can travel farther. Another factor to remember, noted ...

But when it comes to wearing these masks to accomplish what scientists call “source control,” a vent negates the entire purpose. Face masks such as those recommended by the CDC provide a small ...

Masks function very differently as personal protective equipment (PPE) versus source control. This means that nearly any kind of simple cloth mask is great for source control. The mask creates ...

And the study didn’t weigh in on the ability of masks to prevent spread of the virus from wearers to others, or what’s known as source control, which is thought to be the primary way that ...

The community use of masks for source control is a “public good”: something we all contribute to that eventually benefits everyone—but only if almost everyone contributes, which can be a ...

It is important to emphasize that this trial did not address the effects of masks as source control or as protection in settings where social distancing and other public health measures are not in ...

"Compelling evidence now supports the benefits of cloth face masks for both source control (to protect others) and, to a lesser extent, protection of the wearer," the report states. Other measures ...

He said masks function very differently as personal protective equipment versus “source control.” "Masks are very good at blocking larger droplets and not nearly as good at blocking tiny ...

The expected updated mask guidance will come as more and more Americans get vaccinated – about 229 million doses have been administered in the US, according to the CDC – and as Biden nears his ...

Mask-wearing was soon a pandemic-control strategy worldwide ... issued by any governmental agency without a single source of data or information to support it,” he said on a podcast that ...

The study tested masks as a way to control the spread of the virus from the source, i.e. the infected person, and did not test masks as protection from COVID-19 in the surrounding air.