The research involved to stop transmission of dengue in mosquitoes has hit a snag.
While the World Health Organization has declared a public health emergency, the Zika virus has been reported to be sexually transmittable too.
Pregnant women who traveled recently to places infected by Zika are advised to undergo testing.
Brazilian officials confirm after a test that mosquitos can infect mothers with Zika virus, leading to microcephaly in newborns.
Paediatricians and climatologists point out that climate change is affecting children, and needs to be addressed.
Officials report that the mosquito-born chikungunya virus might be on the rise in the U.S.