Search results
Results from the WOW.Com Content Network
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.
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.
A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 , the virus that causes coronavirus disease 2019 . The COVID‑19 vaccines are widely credited for their role in reducing the spread of COVID‑19 and reducing the severity and death caused by COVID‑19.
SARS-related coronavirus is a member of the genus Betacoronavirus (group 2) and monotypic of the subgenus Sarbecovirus (subgroup B). [13] Sarbecoviruses, unlike embecoviruses or alphacoronaviruses, have only one papain-like proteinase (PLpro) instead of two in the open reading frame ORF1ab. [14]
[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 ...
Guo et al. divide the sarbecoviruses into four clades, the first being ACE2-using respiratory viruses including SARS-CoV-1, SARS-CoV-2, and WIV1. Relative to clade 1, clades 3 and 4 have a one residue deletion in the receptor binding domain and diminished ability to use ACE2. Clade 2 has two deletions and does not interact with ACE2. Clades 2 ...
Illustration of a coronavirus virion in the respiratory mucosa, showing the positions of the four structural proteins and components of the extracellular environment. [15] The M protein is the most abundant protein in coronavirus virions. [8] [5] [4] It is essential for viral replication. [4]
Iran confirmed 2,987 new cases, bringing the total to 47,593. Iran also reported 138 deaths, bringing the total to 3,036. The country also reported that 15,473 had recovered from COVID-19. [2] Ireland confirmed 212 new cases, significantly fewer new cases than 31 March, and 14 deaths. This gave a total of 3,447 confirmed cases and 85 deaths. [6]