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This article documents the chronology and epidemiology of SARS-CoV-2, the virus that causes the coronavirus disease 2019 (COVID-19) and is responsible for the COVID-19 pandemic, in April 2022. The first human cases of COVID-19 were identified in Wuhan, China, in December 2019.
Information on COVID-19, the infectious disease caused by the most recently discovered coronavirus.
2 Ιουλ 2023 · COVID-19 cases, country level trends. Percent change based on previous 28 days. Source: World Health Organization. Metadata. Glossary and definitions. Data sources. Copyright and licensing. The latest data for coronavirus (COVID-19) cases from the WHO COVID-19 dashboard.
1 Οκτ 2024 · ECDC utilises three categories of variant classification to communicate increasing levels of concern about a new or emerging SARS-CoV-2 variant: variant under monitoring (VUM), variant of interest (VOI) and variant of concern (VOC). Classification criteria and recommended Member state actions are available here:
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8 Μαΐ 2022 · Advertisement. A growing number of the infections are sublineages of the omicron variant, called BA.4 and BA.5, Helen Rees at the University of the Witwatersrand in Johannesburg said at a news...
As of 21 April 2022, at least 169 cases of acute hepatitis of unknown origin have been reported from 11 countries in the WHO European Region and one country in the WHO Region of the Americas (Figure 1).
