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Maternal Immunization

Pfizer is at the forefront of this field, focused on developing maternal vaccines against diseases that pose a significant threat to infants shortly after birth with the goal of helping to give millions of babies around the world a better chance of surviving devastating infectious diseases and living a healthy life.

Four Questions About Vaccination During Pregnancy


How Maternal Immunization Helps Protect Babies From Infections

Maternal immunization is a tool to help a pregnant woman pass on disease-specific antibodies to her fetus.


(1) Maternal Vaccination as an Essential Component of Life-Course Immunization and Its Contribution to Preventive Neonatology. US National Library of Medicine National Institutes of Health

(2) Immunization. US National Library of Medicine National Institutes of Health

(3) World Health Organization. Safety of Immunization during Pregnancy: A review of the evidence.

(4) World Health Organization. Immunization coverage.

(5) Centers for Disease Control and Prevention. Why Maternal Vaccines Are Important.

(6) American College of Obstetricians and Gynecologists. Immunization, Infectious Disease, and Public Health Preparedness Expert Work Group.

(7) Pfizer. Press Release.

(8) U.S. Food and Drug Administration. FDA Briefing Document: Vaccines and Related Biological Products Advisory Committee Meeting, May 17, 2018.

Find a Clinical Trial

Our mission is to deliver medicines that make a real difference in quality of life for patients with vaccines-related conditions. Learn more about our pipeline, which investigational therapies are under development, and in which stages.