ZHOU, L.; FENG, Y. X.; ZHANG, W. D.; YU, H. J. Interventions and Respiratory Specimen Screening of Close Contacts to Control an Outbreak of Pandemic Influenza A (H1N1) Virus in a Tour Group, China, 2009. Outbreak, Surveillance, Investigation & Response (OSIR) Journal, [S. l.], v. 3, n. 2, p. 6–11, 2010. DOI: 10.59096/osir.v3i2.263360. Disponível em: https://he02.tci-thaijo.org/index.php/OSIR/article/view/263360. Acesso em: 5 oct. 2026.