Flu Shot Does Not Cause Pregnant Women to Miscarry

Photo of pregnant woman receiving a vaccine

A new study conducted by investigators at the Center for Clinical Epidemiology and Population Health at the Marshfield Clinic Research Institute in Wisconsin has found the flu vaccine does not cause miscarriages in pregnant women.

Study Finds Nasal Flu Vaccine Less Effective Than the Flu Shot

Photo of a patient receiving a nasal flu vaccine.

A recent meta-analysis of pooled individual patient-level data, researchers found reduced effectiveness of the quadrivalent live-attenuated influenza vaccine (LAIV4) against influenza A/H1N1pdm09 compared with inactivated influenza vaccine (IIV) in children and adolescents.