TY  - GEN
AU  - Santa-Olalla Peralta,Patricia
AU  - Cortes García,Marta
AU  - Martínez Sánchez,Elena Vanessa
AU  - Nogareda Moreno,Francisco
AU  - Limia Sánchez,Aurora
AU  - Pachón Del Amo,Isabel
AU  - Sierra Moros,Maria José
TI  - [Enhanced surveillance of initial cases of pandemic influenza (H1N1) 2009 infection in Spain, April-June 2009]
SN  - 1135-5727
PY  - 2011///0224
KW  - Adolescent
KW  - Adult
KW  - Aged
KW  - Child
KW  - Child, Preschool
KW  - Female
KW  - Humans
KW  - Infant
KW  - Influenza A Virus, H1N1 Subtype
KW  - Influenza, Human
KW  - epidemiology
KW  - Male
KW  - Middle Aged
KW  - Pandemics
KW  - Population Surveillance
KW  - methods
KW  - Records
KW  - Spain
KW  - Time Factors
KW  - Young Adult
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1590/s1135-57272010000500007
ER  -