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Blindness is the story of an unexplained mass epidemic of blindness afflicting nearly everyone in an unnamed city, and the social breakdown that swiftly follows. The novel follows the misfortune of a handful of unnamed characters who are among the first to be stricken with blindness, including an ophthalmologist, several of his patients, and assorted others, who are thrown together by chance.
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 ...
The COVID-19 pandemic in Ecuador was a part of the worldwide pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The virus was reported to have spread to Ecuador on 29 February 2020, when a woman in her 70s tested positive for the virus.
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.
To avoid confusion with the disease SARS, the WHO sometimes refers to SARS‑CoV‑2 as "the COVID-19 virus" in public health communications [34] [35] and the name HCoV-19 was included in some research articles.
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
The president offered an absolute guarantee Wednesday that people who get their COVID-19 vaccines are completely protected from infection, sickness and death from the coronavirus.
This is a general overview and status of places affected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus which causes coronavirus disease 2019 and is responsible for the COVID-19 pandemic. The first human cases of COVID-19 were identified in Wuhan, the capital of the province of Hubei in China in December 2019. It ...