Table 4. Evolution of the H5N1 viral strains used in killed vaccines in Indonesia (2004–2012).
| Year | Viral strains in H5N1
vaccines used in Indonesia |
|---|---|
| 2004 | H5N1 subclade 2.1.1 |
| 2008 | H5N1 subclade 2.1.2 and 2.1.3 |
| 2012 | H5N1 subclade 2.3.2.1 |
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