covid19
- Most people are no longer infectious after day 10.www.publichealthmdc.com How long are you contagious when you have COVID-19?
If you recently tested positive for COVID-19, you might be wondering how long you’re able to get others sick.
- Real-world data show that HEPA filters clean COVID-causing virus from airwww.nature.com Real-world data show that filters clean COVID-causing virus from air
An inexpensive type of portable filter efficiently screened SARS-CoV-2 and other disease-causing organisms from hospital air.
- patients who were hospitalized for COVID-19 had a greater risk of developing long COVID. However, because the vast majority of COVID-19 cases do not require hospitalization, many more cases of long COwww.cbsnews.com Most people who ended up with long COVID started with a mild case, new study shows
The researchers found "a staggering" 90% of people living with long COVID only had a mild illness to start — but people who were hospitalized were more likely to develop the lasting symptoms.
However, because the vast majority of COVID-19 cases do not require hospitalization, many more cases of long COVID have arisen from these milder cases despite their lower risk.
- Paxlovid reduces the risk of long covid by 26%. Vaccination reduces the risk of long COVID by 15% to 30%www.usatoday.com People who haven't had COVID will likely catch XBB.1.5 – and many will get reinfected, experts say
New COVID variant XBB.1.5 is very contagious, meaning everyone is at risk for infection even if you've already had COVID. Here's what that means.
- Study Identifies Four Major Subtypes of Long COVIDnews.weill.cornell.edu Study Identifies Four Major Subtypes of Long COVID
The post-COVID syndrome known as long COVID has four major subtypes defined by different clusters of symptoms.
- Paxlovid Helps People With Mild COVID-19 Symptomswww.healthline.com Paxlovid Helps People With Mild COVID-19 Symptoms
Researchers say Paxlovid and other antiviral medications can help people with even mild COVID-19 symptoms lower their risk of serious illness
- What to Know About the New XBB.1.5 Varianttime.com What to Know About the New XBB.1.5 Variant
Experts worry that it could start a wave of new infections and reinfections
- How long can an N95 mask be reused?
YouTube Video
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Basically until it's visible soiled.
When wet doesn't work as well, but fine again when dries
- How to spot counterfeit masks
N95: american
Approved by the U.S. National Institute for Occupational Safety & Health (NIOSH). So, if an N95 mask is given the stamp of approval from NIOSH, it offers that certified level of protection.
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Kn95: chinese
However, KN95s (and the similar KF94 masks) are mostly made—and vetted—in China or South Korea. If they are stamped as “NIOSH-approved,” they are actually fakes.
typos on packages
Mask will be stamped with “GB 2626-2006” or “GB 2626-2019"
The packaging must indicate the manufacturing date. Two- to three-year expiration date
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Both:
If a mask or box has the FDA logo, then fake. "The FDA logo is for the official use of the U.S. Food and Drug Administration (FDA) and not for use on private sector materials," the FDA website says.
Should be in a 'marked packaging' (brand name?)
Should include manufacturer's name and address
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kf94: korean