The FDA still requires that any man giving blood hasn't been sexually active with another man for 12 months prior to the donation date.

Center officials have been asking donors who are planning a trip to areas affected by the Zika virus to donate before they go.

Dr. Alexander Niculescu at the IU School of Medicine says historically, women have been understudied when it comes to suicide risk and biology.

Holiday traveling between Thanksgiving and New Year's causes blood donations to drop off around this time every year. On top of that, severe weather has forced the cancellation of 300 blood drives nationwide since January 11, including 23 in southern Indiana.

The closings represent a trend in the donated blood market as patients receive fewer blood transfusions.