David Lim
davidalim
CDC:"With colder weather, more time spent indoors, the ongoing U.S. holiday season, and silent spread of disease, with approximately 50% of transmission from asymptomatic persons, the United States has entered
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CDC's Nancy Messonnier warned Americans four months ago on Feb. 25 that "disruption to everyday life may be severe," and told businesses, hospitals, schools and people to begin preparing.There were
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