Sentence examples for occurrence has risen from inspiring English sources

Emerging viruses are viruses whose occurrence has risen within the past twenty years, or whose presence is likely to increase in the near future.

The study showed that glacial earthquakes were most frequent during the summer and that their annual rate of occurrence had risen sharply from 2002 to 2005, which suggested a dynamic response to a warming climate.

He said youths armed with sticks had initially squared up to security officials who they accused of not providing enough protection – an increasingly common occurrence as the number of attacks has risen sharply in the runup to the presidential polls.

Recently, concern for this emerging class of chemicals has risen because of the occurrence of several classes of BFRs in the environment and in human biota.

Analyses of diatom and pigment concentrations indicated that overall algal abundance has risen in the last few decades, including trends of increasing occurrences of potentially toxic cyanobacteria, despite ongoing remediation efforts.

Anger inside the city has risen sharply in the last week as bombardments of artillery have become and daily occurrence and civilian casualties are mounting.

Japan has risen, fallen and risen again.

Unemployment has risen sharply.

Corruption has risen.

She has risen.

Condom use has risen markedly.