12/04/2014 02:00 PM EST
Vaccine not a good match for mutated strains circulating now, officials say
Source: HealthDay
12/04/2014 02:00 PM EST
Health care providers urged to recommend vaccine to pregnant women, to protect their babies
Source: HealthDay
12/02/2014 12:00 PM EST
Injection boosted immune response, seemed to slow spread in those with advanced disease
Source: HealthDay
