Wiwanitkit V. Letter to the Editor: Human infections with avian influenza A(H7N9) virus: preliminary assessments of the age and sex distribution. Western Pac Surveill Response J [Internet]. 2013 Oct. 31 [cited 2024 May 12];4(4). Available from: https://ojs.wpro.who.int/ojs/index.php/wpsar/article/view/216