1.   An outbreak of the Ebola virus in Zaire last week has rekindled fears that new exotic microbes are getting the upper hand.

2.   According to this notion, the body confronts a new odor as it does a new microbe, that is, piecemeal.

3.   Every time an assay is made, new microbes are found.

4.   Hohmann, however, would be satisfied to help discover a new earthly microbe with implications for human health.

5.   Scientists are rapidly identifying disease-causing genes and new microbes.

6.   Four reported outbreaks of unusual infections around the world have illustrated the surprising potential of new microbes to emerge and old ones to return with a vengeance.

7.   The four outbreaks detailed in research published today illustrate the surprising potential of new microbes to emerge and old ones to return with a vengeance.