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Vaccines don't overload babies' immune systems, study finds
NBCNews.com Get breaking news alerts and special reports. The news and stories that matter, delivered weekday mornings. SUBSCRIBE. Some parents may be afraid that babies and toddlers get too many vaccines all at once, but a new study can help put such worries to ... Vaccines Don't Weaken Babies' Immune Systems: Study Infants who receive multiple vaccinations not at increased risk for infection |
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