Heel-prick blood samples from newborns could provide important insights into protection against serious infection

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A study found that newborn heel-prick blood samples can be used to measure antibodies against group B Streptococcus. Researchers say this method could eventually support the development of vaccines to protect infants from serious infections.

Heel-prick blood samples from newborns can be used to measure antibodies against group B Streptococcus, according to a new study from Aarhus University published in The Lancet Microbe journal. In the longer term, the method could contribute to the development of vaccines designed to protect infants against serious infections.