Influenza and pneumococcal vaccines.
Poland
G A
GA
D000368:Aged; D001428:Bacterial Vaccines / Q000627:therapeutic use*; D006801:Humans; D007252:Influenza Vaccines / Q000627:therapeutic use*; D013296:Streptococcus pneumoniae / Q000276:immunology*
D001428:Bacterial Vaccines; D007252:Influenza Vaccines