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A PNAS report in September 2020 confirmed that the virus is much more dangerous for the elderly than the young, noting that about 70% of all U.S. COVID-19 deaths had occurred to those over the age of 70. [94] As of early August 2020, among the 45 countries that had over 50,000 cases, the U.S. had the eighth highest number of deaths per-capita.
After a relatively slow start to the respiratory virus season, Covid-19 levels in the United States began ramping up just ahead of the winter holidays.
Weekly confirmed COVID-19 deaths Map of cumulative COVID-19 death rates by U.S. state [8] On December 31, 2019, China announced the discovery of a cluster of pneumonia cases in Wuhan. The first American case was reported on January 20, [9] and Health and Human Services Secretary Alex Azar declared a public health emergency on January 31. [10]
Full map including municipalities State, territorial, tribal, and local governments responded to the COVID-19 pandemic in the United States with various declarations of emergency , closure of schools and public meeting places, lockdowns , and other restrictions intended to slow the progression of the virus.
This is a list of early transmissions of coronavirus disease 2019 (COVID-19) in the United States, covering cases that occurred in January and February 2020.. By the end of February, 24 cases were known, a number that had increased to 27,368 by the end of March, and continued to grow over the year.
At 5.4% the mortality rate is 2 percentage points higher than the global average - a number that reflects the country's lack of testing.
Barometer – an instrument used to measure atmospheric pressure using either water, air, or mercury; useful for forecasting short term changes in the weather; NOAA continental US weather forecast map for November 7, 2006. Ceiling balloon – a balloon, with a known ascent rate, used to measure the height of the base of clouds during daylight
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