1. 1.0 1.1 1.2 1.3 1.4 1.5 "Swine flu deaths: From 20 to 7". Asia One (AFP). 2009-04-28. Nakuha noong 2009-04-28.{{cite news}}: CS1 maint: date auto-translated (link)
  2. "Swine Influenza (Flu)". CDC. 2009-04-29. Nakuha noong 2009-04-29.{{cite web}}: CS1 maint: date auto-translated (link)
  3. "1 Sample in Indiana Confirmed for Swine Flu". Fox59.com. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  4. See table at 2009 swine flu outbreak in the United States for references for potential cases.
  5. Ilang kaso ang naitala
  6. 6.0 6.1 "Swine flu: Airline passengers held in transit over flu concerns". New Zealand Herald. 2008-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  7. "Swine influenza - update 4". World Health Organisation. 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  8. "UK prepared for swine flu - Brown". BBC News. 2009-04-28. Nakuha noong 2009-04-28.{{cite news}}: CS1 maint: date auto-translated (link)
  9. See table at 2009 swine flu outbreak in the United Kingdom for references for potential cases.
  10. See table at 2009 swine flu outbreak in Spain for references for potential cases.
  11. Reznick, Ran (2009-04-29). "Authorities fear third and fourth cases of swine flu in Israel". Haaretz. Nakuha noong 2009-04-29. {{cite news}}: Unknown parameter |coauthors= ignored (|author= suggested) (tulong)CS1 maint: date auto-translated (link)
  12. "Confirmado segundo tico con fiebre porcina" (sa wikang Kastila). La Nación. 2009-04-28. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  13. ""Bavaria reports first case of swine flu in Germany". Reuters. 2009-04-29. Nakuha noong 2009-04-29.{{cite news}}: CS1 maint: date auto-translated (link)
  14. "Verdacht in Hamburg erhärtet sich". 2009-04-28. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  15. "Ninety-one Aussies tested for flu". The Australian. 2009-04-28. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  16. "Las autoridades vigilan 42 posibles casos de gripe porcina en Colombia". Caracol Radio (sa wikang Kastila). 2009-04-28. Nakuha noong 2009-04-29.{{cite news}}: CS1 maint: date auto-translated (link)
  17. Paiva, Ana Paula; Murakawa, Fábio (April 28, 2009), Brasil monitora 20 possíveis casos de gripe suína (sa wikang Portuges), Brasília, Brazil: Reuters Brasil, nakuha noong April 28, 2009. {{citation}}: Check date values in: |accessdate= at |date= (tulong)
  18. "Vingt cas suspects de grippe porcine en cours d'étude en France". Reuters. 2009-04-28. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  19. "Hay 13 casos sospechosos de gripe porcina en Chile, otros 5 se descartaron". latercera.com. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  20. "Estudian 12 casos de personas con los síntomas del virus". 2009-04-27. Nakuha noong 2009-04-27.{{cite web}}: CS1 maint: date auto-translated (link)
  21. "9 Verdachtfälle in der Schweiz". 2009-04-28. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  22. Sindre Granly Meldalen, Arnhild Aass Kristiansen and Ragnhild Avdem Fretland (2009-04-28). "Det er åtte-ti mistenkte i Norge" (sa wikang Noruwego). Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  23. "Dwoje Polaków i Meksykanka na obserwacji". tvn24.pl. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  24. "Cinco casos sospechosos registran en noroccidente". 2009-04-29. Nakuha noong 2009-04-29.{{cite web}}: CS1 maint: date auto-translated (link)
  25. "Suspected flu cases in Asia". 2009-04-28. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  26. "La Prensa: Asciende a tres los casos sospechos de gripe porcina en Guatemala". La Prensa. 2009-04-27. Nakuha noong 2009-04-27.{{cite web}}: CS1 maint: date auto-translated (link)
  27. "Gripe porcina: Venezuela informa de tres casos sospechosos en el centro del país". El Economista. 2009-04-27. Nakuha noong 2009-04-27.{{cite web}}: CS1 maint: date auto-translated (link)
  28. "Tvö óstaðfest tilfelli". Publico. 2009-04-28. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  29. "Wahrscheinlich positiver Befund in Wien - Verdachtsfälle in Steyr und Wien". 2009-04-28. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  30. Grimaldi, Roberto (2009-04-28). "Torna dal Messico con la febbre Modenese sotto osservazione". il Resto de Carlino. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  31. Manuel Vega Loo (2009-04-28). "Analizan caso sospechoso de gripe porcina". Prensa. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  32. "South Korea testing suspected swine flu case". Reuters. 2009-04-28. Nakuha noong 2009-04-28.{{cite news}}: CS1 maint: date auto-translated (link)
  33. "Public Health is studying possible case of swine flu in the DR". Diaro Libre. 2009-04-28. Nakuha noong 2009-04-28.{{cite news}}: CS1 maint: date auto-translated (link)
  34. . Breaking news Ireland. 2009-04-28 tested for swine flu in Ireland http://www.breakingnews.ie/ireland/eyauidojmhkf/rss2/=Four tested for swine flu in Ireland. Nakuha noong 2009-04-29. {{cite news}}: Check |url= value (tulong); Missing or empty |title= (tulong)CS1 maint: date auto-translated (link)
  35. Staff writer (2009-04-28). "Influenza: Aparece primer presunto infectado en Uruguay". El Universal. Nakuha noong 2009-04-28.{{cite web}}: CS1 maint: date auto-translated (link)
  36. Swine influenza - update 4, Epidemic and Pandemic Alert and Response, World Health Organization, 28 April 2009.