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When the coronavirus was in retreat across the United States in late February, the Centers for Disease Control and Prevention issued recommendations that shifted toward using the number of people hospitalized with the virus to determine the need for pandemic safety measures. That strategy will be put to the test in the next few weeks because hospitalizations are rising again nationally.
Cases are rising in nearly every corner of the US
BALTIMORE — In the coronavirus pandemic’s early days, health care workers turned to bandannas and other makeshift protections because they lacked the official stuff. That gave engineers at the University of Maryland an idea.
BALTIMORE — In the coronavirus pandemic’s early days, health care workers turned to bandannas and other makeshift protections because they lacked the official stuff. That gave engineers at the University
University of Maryland engineers partnered with a small Colorado firm to make a better mask.