Title: Jakten på massmördaren som kom undan
Subjects: Epidemics, Influenza, History, Research, Influenza Epidemic, 1918-1919, Influenza viruses, Pandemics, Human Influenza, Mortality, Influenza A virus, History, 20th Century, Influensa, Historia, Spanska sjukan, Pandemier, Influenza Pandemic, 1918-1919
Places: Sweden
Time periods: 20th century