NCDC on Twitter: "📢 ANNOUNCEMENT The national CASE DEFINITION for #COVID19 has been updated Close contact of a confirmed case, irrespective of symptoms, will be identified as suspect case We continue to
Case Classification Laboratory Criteria Vital Records Criteria
Updated Interim Surveillance Case Definition for Severe Acute Respiratory Syndrome (SARS) --- United States, April 29, 2003
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Validating a case definition for adult asthma in primary care electronic medical records | npj Primary Care Respiratory Medicine
Effectiveness of COVID-19 case definition in identifying SARS-CoV-2 infection in northern Mexico