Most cases in China occurred in households and in Washington, for example, a significant cluster was associated with a long-term care facility. Close contact** with a confirmed or probable case of COVID-19 disease; linkage to a confirmed case of COVID-19 disease. The Epidemiological Characteristics of an Outbreak of 2019 Novel Coronavirus Diseases (COVID-19) in China. Epidemiological reports from the field are demonstrating a growing importance of presymptomatic and asymptomatic infections from two lines of evidence: the serial interval of COVID-19 appears to be close to or shorter than its median incubation period and clusters linked to presymptomatic and asymptomatic index cases2, 3. Early epidemiologic findings indicate COVID-19 may be less severe1 than SARS or MERS, but evidence suggests that the virus is more contagious than its predecessors. Questions received by ECDC from the Member States regarding laboratory topics on SARS-CoV-2 by 21 February 2020. Hiroshi Nishiura, Natalie M. Linton, Andrei R. Akhmetzhanov PII: S1201-9712(20)30119-3 DOI: https://doi.org/10.1016/j.ijid.2020.02.060 Reference: IJID 4006 To appear in: International Journal of Infectious Diseases, Accepted Date: 27 February 2020, Presymptomatic Transmission of SARS-CoV-2 — Singapore, January 23–March 16, 2020. Detection of severe acute respiratory syndrome coronavirus 2 ribonucleic acid (SARS-CoV-2 RNA) in a clinical specimen using a molecular amplification detection test, Detection of specific antigen in a clinical specimen, Detection of specific antibody in serum, plasma, or whole blood indicative of a new or recent infection*. AND No alternative more likely diagnosis Data are insufficient to precisely define the duration of exposure that constitutes prolonged exposure and thus a close contact. Efficacy of corticosteroids in patients with COVID-19 pneumonia - based on information as at 12 June 2020  World Health Organization. Cases of COVID-19 in China and the initial U.S. cases in early March 2020 have been clustered. For more information about this message, please visit this page: (https://wwwn.cdc.gov/nndss/conditions/coronavirus-disease-2019-covid-19/case-definition/2020/08/05/), National Notifiable Diseases Surveillance System (NNDSS), How We Do Notifiable Disease Surveillance, Why We Do Notifiable Disease Surveillance, 2020 Interim Case Definition, Approved August 5, 2020, 2020 Interim Case Definition, Approved April 5, 2020, Notifiable Infectious Diseases & Conditions Data, Notifiable Noninfectious Diseases & Conditions Data, Integrated Surveillance Information Systems/NEDSS, Coronavirus Disease 2019 (COVID-19) | 2020 Interim Case Definition, Approved August 5, 2020. Laboratory support (for primary/and or confirmatory testing) by Coronavirus specialised laboratories in the EU. CSTE realizes that field investigations will involve evaluations of persons with no symptoms and these individuals will need to be counted as cases. Wycliffe E. Wei; Zongbin Li; Calvin J. Chiew; Sarah E. Yong; Matthias P. Toh; Vernon J. Lee. The case definition document identifies those with a higher risk of having COVID-19 and outlines the reporting and self-isolation requirements for those with symptoms who meet the Higher Index of Suspicion (HIS) criteria. Read more on testing strategies. [2] Further guidance on laboratory issues on the page: Laboratory support, [3] Close contact defined according to the ECDC guidance document ‘Contact tracing: Public health management of persons, including healthcare workers, having had contact with COVID-19 cases in the European Union’. Case Definition – Coronavirus Disease (COVID-19) These case definitions* are for surveillance purposes and they are current as of November 20, 2020. A. Surveillance case definitions enable public health officials to classify and count cases consistently across reporting jurisdictions.

case definition of coronavirus

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case definition of coronavirus 2020