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Omicron puts spotlight on UK's use of lateral flow tests to stem Covid spread
By Hannah Kuchler
Infographic: COVID testing for international travel
By Alia Chughtai
False negative: Reasons your rapid test might show false results
By Andrea Michelson, Hilary Brueck & Rebecca Cohen
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U.S. testing struggles to keep up with Omicron
By Ahmed Aboulenein & Carl O'Donnell
Walgreens and CVS struggle against 'unprecedented' holiday demand for home tests amid omicron surge
By Timothy Bella
The Biden Administration Rejected an October Proposal for “Free Rapid Tests for the Holidays”
By Katherine Eban
Long lines for Covid-19 testing as Omicron variant looms
By Jen Christensen & Tara Subramaniam
Do Rapid Tests Pick Up Omicron?
By Kristina Fiore
Rapid COVID Tests: Here's What You Need To Know
By Theresa Tamkins & Dan Vergano
Walgreens, CVS limit how many at-home Covid tests customers can buy due to demand surge on omicron fears
By Spencer Kimball
Rapid at-home COVID tests in short supply amid high demand
By Rong-Gong Lin II & Colleen Shalby
Covid-19 At-Home Testing and PCR, Rapid Testing Questions: What to Know
By Tara Parker-Pope & Dani Blum
At-home covid tests and omicron: What to know
By Hannah Knowles & Allyson Chiu
The Covid-19 testing supply chain wasn’t ready for omicron
By Rebecca Heilweil
Rapid tests don't always spot Omicron: How to know you can trust result
By Shayanne Gal, Hilary Brueck & Rebecca Cohen