Search results
Results from the WOW.Com Content Network
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]
The species was merged with Rat coronavirus (discovered in 1970 [23]) and Puffinosis coronavirus (discovered in 1982 [59]) as Murine coronavirus in 2009. [60] 229E and OC43 were collectively named Human respiratory virus but merged as Human coronavirus 229E (HCoV-229E) in 2009. [61]
The specimen came to be known as the Beaudette strain. In the late 1940s, two more animal coronaviruses, JHM that causes brain disease (murine encephalitis) and mouse hepatitis virus (MHV) that causes hepatitis in mice were discovered. [19] It was not realized at the time that these three different viruses were related. [20] [12]
COVID-19 pandemic: 2019 [b] –present Worldwide COVID-19: 7.1–36.5 million [306] 2020 Democratic Republic of the Congo Ebola outbreak: 2020 Democratic Republic of the Congo: Ebola: 55 [307] 2020 dengue outbreak in Singapore: 2020 Singapore: Dengue fever: 32 [308] 2020 Nigeria yellow fever epidemic 2020 Nigeria: Yellow fever: 296 (as of 31 ...
The key properties of a stem cell were first defined by Ernest McCulloch and James Till at the University of Toronto and the Ontario Cancer Institute in the early 1960s. They discovered the blood-forming stem cell, the hematopoietic stem cell (HSC), through their pioneering work in mice. McCulloch and Till began a series of experiments in which ...
A study by Scripps Research Institute reports that COVID-19 may be mutating in Florida, making the virus more likely to infect cells. [91] During the month of June the seven day moving average of new COVID-19 cases in Florida increased nearly ten-fold, from 726 new cases per day on June 1 to 7,140 new cases on July 1, 2020. [5]
This article documents the chronology and epidemiology of SARS-CoV-2 in January 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.
This article documents the chronology and epidemiology of SARS-CoV-2 in 2019, the virus that causes coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 known to have been identified were in Wuhan , Hubei , China , in December 2019.