The Zika virus is still a threat. Here's what experts know.

In 2016, Zika was in the headlines around the world but since that time attention has turned to other illnesses such as measles and Ebola. However, experts say it is only a matter of time before there is another major Zika outbreak. Experts say little surveillance due to the lack of a rapid, inexpensive diagnostic test is part of the problem. “At this point, we can only guess the number of new infections,” said UMTB’s Scott Weaver.