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The report added weight to calls for a broader probe into the theory that the COVID-19 virus could have escaped from a laboratory. [ 6 ] [ 7 ] However, a WHO report states "introduction through a laboratory incident was considered to be an extremely unlikely pathway". [ 3 ]
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]
[235] [236] [237] Health officials have confirmed the fifth case of COVID-19 in Australia, and have suspected an additional five. [238] [239] The Sri Lankan Health Ministry confirms its first case of COVID-19, a 43-year-old Chinese woman. [240] Cambodia confirms its first case of the virus, a Chinese man who came with his family to ...
The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in the U.S. state of North Dakota, in 1931. The causative agent was identified as a virus in 1933.
The COVID-19 pandemic ranks as the deadliest disaster in the country's history. [43] It was the third-leading cause of death in the U.S. in 2020, behind heart disease and cancer. [ 44 ] From 2019 to 2020, U.S. life expectancy dropped by three years for Hispanic and Latino Americans , 2.9 years for African Americans , and 1.2 years for White ...
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
The first demonstration of phagocytosis as a property of leukocytes, the immune cells, was from the German zoologist Ernst Haeckel. [14] [15] In 1846, English physician Thomas Wharton Jones had discovered that a group of leucocytes, which he called "granule-cell" (later renamed and identified as eosinophil [16]), could change shape, the phenomenon later called amoeboid movement.
This article documents the chronology and epidemiology of SARS-CoV-2 in April 2020, the virus which causes the coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 were identified in Wuhan , China, in December 2019.