'There had been epidemics of this lung disease before it was first identified in 1976 in Pennsylvania'
Legionnaire\'s Disease
SICKNESS & HEALTH: There had been epidemics of this lung disease before it was first identified in 1976 in Pennsylvania
There had been epidemics of this lung disease before it was first identified in 1976 in Pennsylvania
There had been epidemics of this lung disease before it was first identified in 1976 in Pennsylvania
SICKNESS & HEALTH
Legionnaire\'s Disease
SICKNESS & HEALTH