Genome analyses track SARS-CoV-2’s early introduction to the US and Europe

SARS-CoV-2 arrived in Washington State somewhere between late January and early February 2020, sparking rapid community transmission of the virus that went undetected for several weeks before this community spread became evident, prompting a change in testing criteria to emphasize individuals with no travel history. That’s the scenario proposed by Trevor Bedford and colleagues after…

Monitoring sleep positions for a healthy rest

MIT researchers have developed a wireless, private way to monitor a person’s sleep postures — whether snoozing on their back, stomach, or sides — using reflected radio signals from a small device mounted on a bedroom wall. The device, called BodyCompass, is the first home-ready, radio-frequency-based system to provide accurate sleep data without cameras…

Live Covid-19 News Updates

Here’s what you need to know: Top U.S. health officials update Congress on vaccine development and distribution plans. Video transcript Back transcript N.I.H. Director Has ‘Cautious Optimism’ for Covid-19 Vaccine by End of 2020 Dr. Francis Collins, the director of the National Institutes of Health, emphasized to senators that coronavirus vaccine development and distribution would…

Endless Summer vs. Hurry-Up Fall

Welcome. The week after Labor Day is, for many, the official end of summer. I tend to resist the way everyone rushes to close the book on summer as soon as the holiday arrives. The beaches are still open, the parks still beckoning for picnics, the grill for barbecuing. Even if children are going back…