Keeping You Safe 24-7
CDC is the nation's health protection agency, working 24/7 to protect America from health and safety threats, both foreign and domestic. CDC increases the health security of our nation.
Christina Nelson is among a large group of CDC responders who have worked around the clock to combat Zika.
- Page last reviewed: June 28, 2016
- Page last updated: June 28, 2016
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