News & Perspective

In other Zika developments, a human rights group raised concerns about water, sanitation, and other public health concerns in Brazil, and India announced microcephaly screening for newborns.

The study shows large releases are most effective in establishing and expanding mosquito populations.

The WHO says the cases in India likely reflect low-level transmission.

Study says 2.2 billion people live in areas suitable for Zika spread, and over the next year more than 5 million babies will be born in vulnerable parts of the Americas.

Also today, the CDC added Jamaica and Tonga to its travel advisory, and an Indian company announced two vaccine candidates.