Science, Maths & Technology
Influenza: A case study
...writing (2011), Influenza A (H5N1) and influenza B (unknown lineage) are the two main types globally. FluNet also breaks this information down into geographic areas and countries so, if you wish, you can see what subtypes are circulating where you live. Typically a flu vaccine contains material from the main influenza A strains and an influenza B strain, so that an immune...