More than 2,100 cases of whooping cough have been reported in Texas, and two infants have died. While vaccines are not given to children younger than two months, doctors recommend booster shots for ... more 
More than 2,100 cases of whooping cough have been reported in Texas, and two infants have died. While vaccines are not given to children younger than two months, doctors recommend booster shots for older children and adults -- though they say that advice is often ignored. Anna Werner reports. less 
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Tue, Sep 17, 2013 1:43 PM EDT