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Retrieved 4 July 2013. Check date values in: |access-date=, |archive-date= (help) ↑ Infection Cycle - Retrieved on 2010-01-21 Archived May 17, 2014, at the Wayback Machine. ↑ Understanding Infectious Diseases Science.Education.Nih.Gov article - Retrieved on 2010-01-21 ↑ Duerkop, Breck A; Hooper, Lora V (2013-07-01). « Resident viruses and their interactions with the immune system ».
eng
Retrieved 4 July 2013. ↑ Infection Cycle - Retrieved on 2010-01-21 Archived May 17, 2014, at the Wayback Machine. ↑ Understanding Infectious Diseases Science.Education.Nih.Gov article - Retrieved on 2010-01-21 ↑ Duerkop, Breck A; Hooper, Lora V (2013-07-01). "Resident viruses and their interactions with the immune system".