Duque, Vítor, João Vaz, Vanda Mota, Célia Morais, Saraiva da Cunha, and António Meliço-Silvestre. 2011. “Clinical Manifestations of Pandemic (H1N1) 2009 in the Ambulatory Setting”. The Journal of Infection in Developing Countries 5 (09):658-63. https://doi.org/10.3855/jidc.2024.