1Zakład Epidemiologii Państwowego, Zakładu Higieny, Warszawa.
In 1997, Poland saw a 41.8% decrease in influenza cases compared to 1996, with influenza A (H3N2) viruses circulating. Children experienced higher incidence rates than the general population.
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Area of Science:
Context:
Purpose:
Summary:
Impact: