The Zika virus, which is spread by the Aedes aegypti mosquito, is strongly suspected to be linked to a new wave of microcephaly cases in Brazil. Babies born with this birth defect have smaller heads and sometimes brains that aren't fully developed, which can result in life-long developmental problems.
Zika is currently spreading through Central and South America and the Caribbean, and with the high volume of news about the virus, it's tough to stay up-to-date. Check out our full coverage, or read our daily recaps.
Here are four updates, opinions and developments to know about now: