3 masks for COVID

FDA keeps changing KN95 guidelines, so stick to N95s or cloth masks

Earlier this year, with N95 respirators in short supply, the US Food and Drug Administration (FDA) issued emergency authorizations for Chinese-made KN95 respirators. New manufacturers soon flooded the market, unfortunately with often-defective products that the FDA signed off on anyway. Now, according to a new report from the Wall Street Journal (archive link), states that trusted

Confused man on computer

The math: why COVID-19 is declining in hotspots and flat nationwide, but deaths are still rising

The past ten days have brought a mix of good and bad news for the United States and COVID-19. On the good side, the moving average of new COVID-19 cases in the USA has flattened after over a month of rapid growth. New cases have even fallen by about 3.4% in recent days. The bad

COVID-19 Event Risk Assessment Planning Tool Map

The COVID-19 event assessment planning tool can help you calculate your local risk

Wondering when it’ll be safe to plan or attend a gathering again? Georgia Tech and Applied Bioinformatics Laboratory have created a map that lets you calculate the odds of coming in contact with someone who has COVID-19. How to use the map The site offers several different risk-estimation tools, but we’ll focus on the map

Hand sanitizer with hand

How to know if your hand sanitizer is dangerous… and why it smells bad

Hand sanitizer has been in short supply this year. At the start of the COVID-19 pandemic, hand sanitizer was one of the first items to face shortages. That’s led to a swarm of new vendors cranking out hand sanitizer to meet demand. While you probably still can’t find recognizable brands like Purell and Germ-X, you can

Delivery box man

Why your package is late: mail and package carriers suspend guarantees, cancel routes, suffer delays

You’re welcome to ship a package in the United States right now, but it might not actually arrive at its destination. FedEx and UPS have suspended money-back guarantees. FedEx, UPS, and the USPS have loosened signature requirements, announced shipping delays, and have even canceled some shipping routes. Here’s what you need to know: If you’re

Italian nurse slumped over after a COVID shift at the hospital

COVID-19 reinfection is possible, but we don’t know how common it is

Margit Burmeister and Ari Allyn-Feuer both contributed to this report:  If you’ve suffered from COVID-19 and were hoping to get an immunity passport proving you can’t get the virus or spread it ever again, it’s been a bad week for you. This week brought strong clinical evidence that it’s possible for the same person to