1. Swine Influenza A (H1N1) Infection in Two Children - Southern California, March-April 2009;Ginsberg;MMWR,2009
2. World Health Organization http://www.who.int/csr/don/2010_02_19/en/index.html
3. Managing and Reducing Uncertainty in an Emerging Influenza Pandemic;Lipsitch;N Engl J Med,2009
4. Ministry of Health of Argentina INFLUENZA PANDÉMICA (H1N1) 2009 REPÚBLICA ARGENTINA, INFORME SEMANA EPIDEMIOLÓGICA Nº 33 http://www.msal.gov.ar/htm/Site/default.asp
5. Ministry of Health of Chile INFLUENZA PANDÉMICA (H1N1) 2009 http://www.redsalud.gov.cl/minsalaudios/reporte26agosto.pdf