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Experimental Cohorts, Virus Vaccine Strains and Years Vaccinated. See Materials and Methods section for more details.
| Cohort | Vaccine Strains | Years Vaccinated |
|---|---|---|
| 2003 | A/New Caledonia/20/1999 (H1N1), A/Moscow/10/1999 (H3N2), B/Hong Kong/330/2001 (Victoria) |
2003 |
| 2011 | A/California/7/2009 (pdmH1N1), A/Perth/16/2009 (H3N2), B/Brisbane/60/2008 (Victoria) |
2010 or 2011 |
