Bethlehem Press

Tuesday, September 19, 2017
breaking news

Flu Vaccine Q&A

By The Press in Local News

What is the difference between ‘quadrivalent’ and ‘trivalent’ flu shots?

Quadrivalent shots protect against four strains of the flu, Trivalent shots protect against three strains. Both protect against the influenza A H1N1 virus, influenza...