Disease that can cause lethal infections are hitting North America . The germs are genetically related to two strains of bacteria found in the wild . But a total of 15 MRSA infections have been reported in Colombia in recent years and some 50 cases of VREF have been identified since it was first documented in the country . Researchers are tracking them to see how the organisms got there .
Disease that can cause lethal infections are hitting North America . The germs are genetically related to two strains of bacteria found in the wild . Researchers are tracking them to see how the organisms got there .