Recent outbreaks in the U.S. have drawn attention to the dangers of measles. The Democratic Republic of Congo is fighting a deadly outbreak of Ebola that has killed hundreds. Epidemics are nothing new ...
FILE - In this Friday, Aug. 7, 2015 file photo, a worker stands in front of ongoing excavations at the Templo Mayor archeological site, directing people into the adjoining museum in downtown Mexico ...
Recent outbreaks in the U.S. have drawn attention to the dangers of measles. The Democratic Republic of Congo is fighting a deadly outbreak of Ebola that has killed hundreds. Epidemics are nothing new ...
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