A Stanford scientist explains the 'blow out the candle' test, and if it can be used to gauge the effectiveness of your facemask against COVID spread.
SAN FRANCISCO -- The omicron surge has caused the CDC to finally update its mask guidance late last week, indicating a clear preference for the level of protection offered by N95 and KN95 masks.One test that has emerged on social media is the"blow out the candle" test. If you can blow out a candle through your mask, that means too much air is getting through, potentially expelling COVID viral particles to others near you.
Dr. Amy Price, a senior research scientist at Stanford's Anesthesia Informatics and Media Lab, joined Sze on ABC7 News 3 p.m. program"Getting Answers" Monday to discuss the reveals and limits of the candle test. Price says the candle test is far from fool proof, but is a simple way to know when a mask is clearly not doing its job. She also talked about simple ways to improve your mask efficacy, including rubbing it with a latex glove for 30 seconds to create an electrical charge as an extra barrier for the virus to get through.
Canada Latest News, Canada Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
Parents, students weigh in on more COVID testing, learning platforms amid COVID spikeSEATTLE, WA (KOMO) - Coming off a week of record coronavirus cases, scores of parents, teachers and students are wondering if schools will resume as normal. This week, Washington state surpassed more than 1 million COVID-19 infections since the pandemic started nearly two years ago in March. The latest case count shows a staggering number of positive cases, with more than 16,000 new cases added Friday. That's the fourth-highest daily total yet in the state.
Read more »
Covid measures increase Highley school bills by thousandsA headteacher says Covid measures have cost the school around £7,500 more this financial year.
Read more »
UK train services cut due to Covid staff absencesTrain operators switch to emergency timetables as a result of high staff sickness rates.
Read more »
Covid: Beijing city urges end to overseas deliveries over OmicronHealth officials in the Chinese capital say a local woman may have been infected after opening a parcel.
Read more »
Hospitals Struggle With Sheer Volume of COVID Cases Amid Staff ShortagesCOVID infections are exacerbating some medical conditions and making it harder to reduce its spread within hospitals.
Read more »