Search results
Results from the WOW.Com Content Network
Coronavirus disease 2019 (COVID-19, also known as SARS-2) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19 can vary but often include fever, [7] fatigue, cough, breathing difficulties, loss of smell, and loss of taste.
Initial estimates of the basic reproduction number (R 0) for COVID-19 in January 2020 were between 1.4 and 2.5, [58] but a subsequent analysis claimed that it may be about 5.7 (with a 95 per cent confidence interval of 3.8 to 8.9). [59] In December 2021, the number of cases continued to climb due to several factors, including new COVID-19 variants.
The human coronavirus NL63 shared a common ancestor with a bat coronavirus (ARCoV.2) between 1190 and 1449 CE. [76] The human coronavirus 229E shared a common ancestor with a bat coronavirus (GhanaGrp1 Bt CoV) between 1686 and 1800 CE. [77] More recently, alpaca coronavirus and human coronavirus 229E diverged sometime before 1960. [78]
Pandemics and their ends are not well-defined, and whether or not one has ended differs according to the definition used. As of 28 January 2025, COVID-19 has caused 7,083,856 [1] confirmed deaths, and 18.2 to 33.5 million estimated deaths. The COVID-19 pandemic ranks as the fifth-deadliest pandemic or epidemic in history. (Full article
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
COVID-19 pandemic in Bangladesh Disease COVID-19 Virus strain SARS-CoV-2 Location Bangladesh First outbreak Wuhan, Hubei, China Index case Narayanganj & Madaripur (Hospitalized in Dhaka) Arrival date 8 March 2020 Confirmed cases 2,051,576 Recovered 1,504,709 Deaths 29,499 Fatality rate 1.44% Vaccinations 151,507,170 (total vaccinated) 142,201,680 (fully vaccinated) 361,742,560 (doses ...
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.
The COVID-19 virus has not been detected in drinking water. [82] Conventional water treatment (filtration and disinfection) inactivates or removes the virus. [82] COVID-19 virus RNA is found in untreated wastewater, [82] [22] [83] [a] but there is no evidence of COVID-19 transmission through exposure to untreated wastewater or sewerage systems ...