Sentence examples for number of epidemics from inspiring English sources

In a similar manner, an increase in the number of epidemics of viral encephalitis, a brain disease, in man has resulted from the ecological imbalance of mosquitoes and wild birds caused by man's exploitation of lowland for farming.

In 1519 and 1520, before the arrival of the Spanish in the region, a number of epidemics swept through southern Guatemala.

In recent decades, the expansion of villages, towns and cities in the areas in which it is common, and the increased mobility of people has increased the number of epidemics and circulating viruses.

The first descriptions go back to Fracastor, and early in the 16th century a number of epidemics compatible with the diagnosis of typhus were reported.

Improved sensitivity of filoviral disease surveillance in Uganda might account for the increased number of epidemics, through the detection of isolated cases or small clusters that would previously have gone undetected.

As expected, PPV decreased and NPV increased as the threshold increased because, as the number of epidemics decreased, the number of false positive and true negative predictions increased while true positive and false negative predictions decreased.

Using this assay, a number of epidemic influenza A(H3N2) strains that failed to agglutinate erythrocytes, were readily characterized antigenically.

Section 2 is devoted to introducing the basic reproduction number of epidemic model (1.3) by using the next infection operator and corresponding eigenvalue problem.

The number of epidemic waves will depend on the time of the epidemic people leave and return to the community.

The overall value of that delay in combination with vaccination can be seen in the reduction of the total number of epidemic cases.

The total number of epidemic cases is more dependent on the interaction of the delay (due to travel restrictions) and seasonality, as discussed further below.