some common bugs are morphing into super-bugs (resistant-bugs)
http://abcnews.go.com/blogs/health/2013/02/14/cdc-warns-of-super-gonorrhea/
http://www.ctvnews.ca/health/experts-worry-as-gonorrhea-becomes-more-drug-resistant-1.1177855
http://www.nbcnews.com/id/50973699/ns/health-mens_health/#.UTHUlFcRRlM
http://abcnews.go.com/blogs/health/2013/02/14/cdc-warns-of-super-gonorrhea/
http://www.ctvnews.ca/health/experts-worry-as-gonorrhea-becomes-more-drug-resistant-1.1177855
http://www.nbcnews.com/id/50973699/ns/health-mens_health/#.UTHUlFcRRlM