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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.
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]
The first cases of the COVID-19 pandemic of Coronavirus Disease 2019 in North America were reported in the United States on 23 January 2020. Cases were reported in all North American countries after Saint Kitts and Nevis confirmed a case on 25 March, and in all North American territories after Bonaire confirmed a case on 16 April.
The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. [2]
On January 6, the Centers for Disease Control and Prevention (CDC) announced that it had found at least 52 confirmed cases of the more contagious SARS-CoV-2 variant: 26 in California, 22 in Florida, two in Colorado, and one each in Georgia and New York.
On January 20, Chinese authorities announced the confirmation that human-to-human transmission of the coronavirus had already occurred. [19] [20]The first recorded U.S. case of the new virus was also reported on January 20, in a 35-year-old American citizen traveling from Wuhan, China, to his home in Washington state.
A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...
Chalk COVID-19 and VE day themed mural in May 2020. COVID-19 pandemic in popular culture; Impact of the COVID-19 pandemic on the arts and cultural heritage; Impact of the COVID-19 pandemic on cinema; Impact of the COVID-19 pandemic on the performing arts; Impact of the COVID-19 pandemic on social media; Impact of the COVID-19 pandemic on sports