Nontuberculous Mycobacteria and Legionella outbreaks have been linked to water from dental treatment lines. Dental waterlines are prone to harbor bacteria because of the small diameter, line size, and the ability to have stagnated water for periods
Vaccine safety is critical for the successful implementation of any vaccination program, especially during a pandemic. In February 1976, the Centers for Disease Control and Prevention confirmed a cluster of cases of severe influenza-like illness