Add to ORKG• Chronology of local flu events listed in this article, including: • 9-12: first cases of flu reported at Navy Yard• 9-14: first local death caused by flu, Navy Yard put under quarantine• 9-19: first civilian cases reported in South Philadelphia, “many of them being Navy Yard civilian workers.”• 9-21: Flu made reportable• 10-3: Philadelphia closes schools, churches, gathering places• 10-4: Saloons ordered closed throughout the state by State Health Commissioner Royer• Estimated 30,000-50,000 cases in Philadelphia, 5,000 of which have been reported• Around 700 deaths reportedNewspaper article