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This sentence was the first I learned in school in 1966. More than 50 years ago.
And now I begin to translate: Flu.
100 years ago my grandfather suffered from pandemic influenza, 1918.
60 years ago the influenza pandemic was complicated by bacterial superinfection. (1)
10 years ago "the postmortem samples we examined from people, who died of influenza 1918-1919 uniformly exhibited severe changes indicative of bacterial pneumonia." (2)
Fleming discovered penicillin 1928. And streptococci are still treatable with penicillin. (3)
1. Morens DM, Taubenberger JM, Fauci AS: Predominant role of bacterial pneumonia as a cause of death in pandemic influenza: implications for pandemic influenza preparedness. J Infect Dis. 2008;198(7):962-70 doi: 10.1086/591708
2. Louria DB, Blumenfeld HL, Ellis JT, Kilbourne ED, Rogers DE: Studies on influenza in the pandemic of 1957-1958. II. Pulmonary complications of influenza.
3. Ferretti JJ, Stevens DL, Fischetti, VA: Streptococcus pyogenes: Basic Biology to Clinical Manifestations (Internet). Oklahoma City, University of Oklahoma Health Sciences Center; 2016. www.ucbi.nlm.nih.gov/books/NBK333424/