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Tedros Adhanom Ghebreyesus explained: CO for corona, VI for virus, D for disease and 19 for when the outbreak was first identified (31 December 2019). [23] WHO additionally uses "the COVID-19 virus" and "the virus responsible for COVID-19" in public communications. [22] WHO named variants of concern and variants of interest using Greek letters.
The spikes are the most distinguishing feature of coronaviruses and are responsible for the corona- or halo-like surface. On average a coronavirus particle has 74 surface spikes. [53] Each spike is about 20 nm long and is composed of a trimer of the S protein. The S protein is in turn composed of an S1 and S2 subunit.
The COVID-19 pandemic is an ongoing viral pandemic of coronavirus disease 2019 (COVID-19), a novel infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Endemic phase; Evacuations; Face masks; International aid; Origin; Lockdowns. by country; Misinformation. by governments; Fake treatments; Social distancing; Software
Weekly confirmed COVID-19 deaths Map of cumulative COVID-19 death rates by U.S. state [8]. On December 31, 2019, China announced the discovery of a cluster of pneumonia cases in Wuhan.
Endemic phase; Evacuations; Face masks; International aid; Origin; Lockdowns. by country; Misinformation. by governments; Fake treatments; Social distancing; Software
The brush fire, dubbed the Serrano fire, broke out around 2:42 p.m. in the 600 block of Corona Avenue, not far from Serrano Drive, according to Corona fire spokesman Daniel Yonan.
Please help update this article to reflect recent events or newly available information. (June 2023 Part of a series on the: COVID-19 pandemic ...