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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.
The COVID-19 pandemic was confirmed to have reached the U.S. state of Pennsylvania in March 2020. As of October 7, 2021, the Pennsylvania Department of Health has confirmed 1,464,264 cumulative cases and 29,814 deaths in the state. [1]
Through November 2021, China was the world's largest exporter of COVID-19 vaccines, with a cumulative share of around 40% of worldwide exports (totalling around 1.5 billion doses), according to the World Trade Organization. [516] China's response to the initial Wuhan COVID-19 outbreak has been both praised and
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]
By March 26, 2020, the United States, with the world's third-largest population, surpassed China and Italy as the country with the world's highest number of confirmed cases. [86] By April 25, the U.S. had more than 905,000 confirmed coronavirus cases and nearly 52,000 deaths, giving it a mortality rate around 5.7 percent.
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The COVID-19 vaccines are widely credited for their role in reducing the severity and death caused by COVID-19. [ 128 ] [ 129 ] As of March 2023, more than 5.5 billion people had received one or more doses [ 130 ] (11.8 billion in total) in over 197 countries.
This registry based, multi-center, multi-country data provide provisional support for the use of ECMO for COVID-19 associated acute hypoxemic respiratory failure. Given that this is a complex technology that can be resource intense, guidelines exist for the use of ECMO during the COVID-19 pandemic. [85] [86] [87]