Sentences with phrase «first epidemiologic evidence»

This is the first epidemiologic evidence of such a causal association between early breastfeeding and infection specific mortality in the newborn infants.

Not exact matches

Skeptics cite such a lack of epidemiologic evidence in the decades since the concern was first raised and say avoiding the third most common element in Earth's crust is impossible.

Contracted through the bite of an infected mosquito or through sexual or other modes of transmission, Zika virus (ZIKV) infection can be prenatally passed from mother to fetus.1 The virus was first identified in the region of the Americas in early 2015, when local transmission was reported in Brazil.2 Six months later, a notable increase in the number of infants with congenital microcephaly was observed in northeast Brazil.3, 4 Clinical, epidemiologic, and laboratory evidence led investigators to conclude that intrauterine ZIKV infection was a cause of microcephaly and serious brain anomalies.5 - 7 However, as with other newly recognized teratogens, these features likely represent a portion of a broader spectrum.