The Sex Ratio of Pneumonia Mortality and Its Possible Relation to Occupation*

Legionella pneumophilaGoes Clonal—Paris and Lorraine Strain‐Specific Risk Factors

“…Thus, the advanced age, immunosuppression and possibly gender of those infected with the Paris strain most likely explains this discrepancy. The elderly are more likely to die of pneumonia than are younger people, especially when immunocompromised, and for unclear reasons elderly females have a slightly higher fatality rate for pneumonia than do males [14, 15]. …”