Earlier this month, the Centers for Disease Control and Prevention (CDC) up to date its coronavirus face masks steerage to endorse “double masking” following the outcomes of a lab experiment that concluded putting a fabric masks over a surgical masks, in addition to utilizing a correctly fitted masks, was efficient in stopping the unfold of COVID-19.
For the lab experiment, researchers, utilizing simulated respiratory breaths, discovered that putting a fabric masks over a medical process masks or utilizing a medical process masks with knotted ear loops and tucked in sides decreased publicity to doubtlessly infectious aerosols by about 95%.
Despite the outcomes, double masking is probably not for everybody. In reality, the CDC on its web site lists a few issues to be careful for when “enhancing masks match and filtration,” which incorporates carrying two masks.
If respiratory turns into too troublesome, or your imaginative and prescient is obstructed, double masking may not be a great choice for you. The CDC says to take the next into consideration when enhancing masks match and filtration:
Breathing just isn’t troublesome
- “Breathing may take extra effort when carrying a masks that matches and filters higher. For instance, it’d require extra effort to breathe when carrying a ‘double masks,’” the CDC says.
Vision just isn’t obstructed
- “Adding an additional layer or masks may block imaginative and prescient. Reduced imaginative and prescient may result in journeys, falls, or different accidents,” per the federal company.
The CDC additionally advises to “check out any potential strategies for improved masks match and filtration at residence earlier than making an attempt it out in public.”
“For instance, attempt strolling round the home or outdoors for a number of minutes whereas carrying a masks with improved match and filtration to guarantee that you could breathe comfortably and that your imaginative and prescient just isn’t decreased.”
Important to notice: the company advises towards utilizing two disposable masks, as they’re “not designed to suit tightly and carrying multiple won’t enhance match.” It additionally doesn’t advise combining a KN95 masks with every other masks.
In its just lately up to date steerage, the CDC additionally advises ensuring the masks suits snugly towards the face and choosing a masks with layers to “preserve your respiratory droplets in and others’ out.”
Additionally, the CDC advises utilizing a masks with a nostril wire, utilizing a masks fitter or brace to enhance match, and checking to make sure there are not any gaps the place air could move.
“The backside line is that this, masks work and so they work greatest after they have a great match and are worn accurately,” CDC Director Dr. Rochelle Walensky mentioned earlier this month when saying the brand new steerage.
Fox News’ Alexandria Hein contributed to this report.