| new outbreak | 9.02 | What lay behind this new outbreak? | ||
| latest outbreak | 8.95 | The latest outbreak began in October. | ||
| recent outbreak | 4.41 | Most recent outbreaks have occurred in Africa. | ||
| possible outbreak | 4.21 | There were also fears of a possible outbreak of cholera. | ||
| fresh outbreak | 3.49 | ...a fresh outbreak of plague. | ||
| current outbreak | 3.16 | This current outbreak was first reported last week. | ||
| further outbreak | 2.90 | Finding that host could help scientists prevent further outbreaks. | ||
| serious outbreak | 2.57 | And last year, it came close to a serious outbreak in India. | ||
| major outbreak | 2.50 | It is the first major outbreak for many years. | ||
| worst outbreak | 2.44 | It was the worst outbreak in decades. | ||
| first outbreak | 1.65 | It was the first recorded outbreak in Uganda. | ||
| sporadic outbreak | 1.58 | There are still sporadic outbreaks around the world. | ||
| similar outbreak | 1.51 | Similar outbreaks have been observed previously. | ||
| previous outbreak | 1.25 | Previous Ebola outbreaks were caused by poor hospital hygiene, Piot said. | ||
| renewed outbreak | 1.25 | There have been fears of a renewed outbreak of fighting. | ||
| small outbreak | 1.25 | Small outbreaks of cholera already have raised warning signals. | ||
| suspected outbreak | 1.18 | Gabon first reported a suspected outbreak last Tuesday. | ||
| violent outbreak | 1.05 | If nothing triggers a violent outbreak, Yaqoob added, the tension might pass. | ||
| second outbreak | 0.92 | It is the second major E. coli outbreak in two weeks. | ||
| large outbreak | 0.86 | A second large outbreak of the bacteria was reported in Illinois. |