New frequency comb breathalyzer detects COVID-19 with excellent accuracy JILA researchers have upgraded a breathalyzer based on Nobel Prize-winning frequency-comb technology and combined it with machine learning to detect SARS-CoV-2 infection with excellent accuracy in 170 ... Science X

...Their achievement represents the first real-world test of the technology's capability to diagnose disease in exhaled human breath. Their study on this topic was published in the Journal of Breath Research.

Moderna, Pfizer’s new race: The RSV vaccine FDA approval process

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Pfizer’s vaccine is already in the FDA approval process and Moderna CEO Stéphane Bancel told CNBC from Davos on Wednesday that it will be filing for FDA approval for its vaccine soon — it even had a plan in place for top executives to be ready to submit over the holidays if needed.

ALSO SEE: Moderna says its RNA vaccine was nearly 84% effective in preventing symptoms in adults 60 and older

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Why it’s easier to catch a cold, the flu or COVID in the winter Low humidity protects viruses and cold temperatures may blunt some immune responses, making viral infections like colds, flu and COVID-19 more likely. Tina Hesman Saey Science News

...researchers have found that viruses that surge in the winter, including influenza viruses and SARS-CoV-2 — the coronavirus that causes COVID-19 — survive best when the relative humidity in the air falls below about 40 percent.

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