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Timeline Of The COVID-19 Pandemic In April 2021
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 2021. The first human cases of COVID-19 were identified in Wuhan, China, in December 2019. Case statistics Pandemic chronology 1 April *Chile surpasses 1 million COVID-19 cases. *Malaysia has reported 1,178 new cases, bringing the total number to 346,678. 1,377 have recovered, bringing the total number of recoveries to 331,001. There are six deaths, bringing the death toll to 1,278. There are 14,399 active cases, with 163 in intensive care and 81 on ventilator support. *New Zealand has reported five new cases, bringing the total number to 2,501 (2,145 confirmed and 356 probable). Nine people have recovered, bringing the total number of recoveries to 2,408. The death toll remains 26. There are 67 active cases, with one previously reported case being reclassified as under investigation. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epidemiology
Epidemiology is the study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in a defined population. It is a cornerstone of public health, and shapes policy decisions and evidence-based practice by identifying risk factors for disease and targets for preventive healthcare. Epidemiologists help with study design, collection, and statistical analysis of data, amend interpretation and dissemination of results (including peer review and occasional systematic review). Epidemiology has helped develop methodology used in clinical research, public health studies, and, to a lesser extent, basic research in the biological sciences. Major areas of epidemiological study include disease causation, transmission, outbreak investigation, disease surveillance, environmental epidemiology, forensic epidemiology, occupational epidemiology, screening, biomonitoring, and comparisons of treatment effects such as in clinical trials. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
