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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Pneumonia, Viral / Population Surveillance / Health Personnel / Coronavirus Infections / Occupational Diseases Type of study: Etiology_studies / Prognostic_studies / Risk_factors_studies / Screening_studies Limits: Adolescent / Adult / Aged / Female / Humans / Male / Middle aged Country/Region as subject: America do norte Language: En Journal: MMWR Morb Mortal Wkly Rep Year: 2020 Document type: Article Country of publication:

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Pneumonia, Viral / Population Surveillance / Health Personnel / Coronavirus Infections / Occupational Diseases Type of study: Etiology_studies / Prognostic_studies / Risk_factors_studies / Screening_studies Limits: Adolescent / Adult / Aged / Female / Humans / Male / Middle aged Country/Region as subject: America do norte Language: En Journal: MMWR Morb Mortal Wkly Rep Year: 2020 Document type: Article Country of publication: