Reports on Public Health and Medical Subjects, No. 4. The most widespread and serious pandemic of influenza occurred in 1918-19. It spread throughout Europe, Russia, Canada, S. America, New Zealand, Australia, Africa,…
Reports on Public Health and Medical Subjects, No. 4. The most widespread and serious pandemic of influenza occurred in 1918-19. It spread throughout Europe, Russia, Canada, S. America, New Zealand, Australia, Africa,…
