Impact of national influenza vaccination strategy in severe influenza outcomes among the high-risk Portuguese population
Abstract Background All aged individuals with a chronic condition and those with 65 and more years are at increased risk of severe influenza post-infection complications. There is limited research on cases averted by the yearly vaccination programs in high-risk individuals. The objective was to esti...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2019-12-01
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| Series: | BMC Public Health |
| Online Access: | https://doi.org/10.1186/s12889-019-7958-8 |