Antigenic drift

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61	PDF Document Add to Reading List Source URL: biology.plosjournals.org Language: English Microbiology Virology Health Influenza A virus subtype H5N1 Influenza A virus subtype H3N2 Antigenic shift Influenza A virus subtype H2N2 Antigenic drift Influenza A virus subtype H1N1 Epidemiology Biology Influenza
62	PDF Document Add to Reading List Source URL: cbcb.umd.edu Language: English - Date: 2005-10-20 10:03:35 Virology Epidemiology Influenza A virus subtype H3N2 Influenza A virus subtype H5N1 Orthomyxoviridae H5N1 genetic structure Fujian flu Antigenic drift Virus Biology Influenza Microbiology
63	PDF Document Add to Reading List Source URL: ddata.over-blog.com Language: English - Date: 2006-03-07 13:55:31 Microbiology Influenza Epidemiology Pandemics Virus Antigenic drift Infectious disease Influenza pandemic Flu pandemic Health Medicine Biology