Covid-19 cases are surging yet again in the United States, but unlike previous waves, a substantial rise in hospitalizations and deaths isn't following yet.
NEW YORK (AP) — Coronavirus contact tracing programs across the U.S. scaled back their ambitions as cases surged in winter, but New York City has leaned into its $600 million tracing initiative.
A year into the coronavirus pandemic, buying a heavy-duty medical mask online remains downright maddening.
The most coveted mask to keep safe against Covid-19 has been the N95, the gold standard for pandemic protection because of its tight fit and 95 percent efficiency in filtering airborne particles. Then there’s the KN95 from China, a mask for medical workers, which also offers high filtration and is somewhat looser fitting.
But these masks have been far from easy to buy on the internet. When the pandemic hit last year, they immediately became scarce as health care workers and governments rushed to obtain them. The demand was so intense that a gray market sprang up for them.
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