Improved post-marketing safety surveillance of quadrivalent inactivated influenza vaccine in Mexico using a computerized, SMS-based follow-up system.

Quadrivalent influenza vaccines (QIVs) are designed to prevent influenza disease caused by two influenza A viruses (H1N1 and H3N2) and both influenza B lineages. Risk-monitoring of QIVs to identify adverse events (AEs) is necessary as influenza vaccines are reformulated each year. We developed a new active surveillance system (; SICOVA) to improve pharmacovigilance in Mexico.

Intention to accept Bordetella pertussis booster vaccine during pregnancy in Mexico City.

Objective: Adult booster vaccination against pertussis can help prevent severe infections in young infants. We examined influences on intention to accept pertussis booster vaccination among pregnant women in Mexico City.

Methods: We conducted a cross-sectional survey, recruiting convenience samples of pregnant women receiving prenatal care from three public healthcare centers between March and May 2012.