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By Julia Symmes Cobb BOGOTA (Reuters) - More than 3,100 pregnant Colombian women are infected with the mosquito-borne Zika virus, President Juan Manuel Santos said on Saturday, as the disease continues its rapid spread across the Americas. Brazil is investigating the potential link between Zika infections and more than 4,000 suspected cases of microcephaly, a birth defect marked by an abnormally small head size that can result in developmental problems. Researchers have identified evidence of Zika infection in 17 of these cases, either in the baby or in the mother, but have not confirmed that Zika can cause microcephaly.
By Steve Holland and Emily Stephenson MANCHESTER, N.H. (Reuters) - Rising Republican contender Marco Rubio came under heavy attack in a presidential debate on Saturday from rivals who accused him of being too inexperienced for the White House and walking away from an immigration reform plan he championed. In a fiery debate three days ahead of Tuesday's New Hampshire primary, billionaire real estate mogul Donald Trump also battled with rival Jeb Bush over the use of eminent domain to seize private property and called for a compassionate approach to those who might lose their health insurance if Republicans repealed Obamacare.