Measuring the impact of influenza vaccination national strategy among the at risk Portuguese population
ABSTRACT - Yearly seasonal influenza vaccine is recommended to individuals with chronic conditions or aged ≥65 years (high-risk group). However, for these high-risk individuals, the vaccine coverage has been lower than targeted, vaccine effectiveness may be altered by age or presence of chronic cond...
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| Formato: | doctoralThesis |
| Idioma: | eng |
| Publicado em: |
2021
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| Texto completo: | http://hdl.handle.net/10362/109812 |
| País: | Portugal |
| Oai: | oai:run.unl.pt:10362/109812 |