Sentence examples for spread periodically from inspiring English sources

This and other studies showed that Ebola spread periodically without causing large outbreaks.

One of my key premises is that many windows of opportunity for reproductive booms occurred during the Holocene as agricultural innovations spread, periodically increasing food availability between times of nutritional stress.

The serotype has been more sporadically reported from countries to the west or east; it has spread periodically into the Middle East and occasionally to Europe (10 – 13 ), but it has not been reported from Africa or the Americas.

Since last summer, rumors have periodically spread through Baghdad that schools would be the targets of bombers, but there have been no previous such attacks.

Given the high mobility of this species, haplotypes of particularly successfully reproducing mothers could spread quickly and periodically replace current common ancestors.

Samples of the enrichment culture were periodically spread onto minimal salts agar plates containing 1 mM 4-FP and onto NB plates as soon as growth on 4-FP was established.

FMD is found regularly in parts of South America, Africa, the Middle East and other parts of Asia and periodically spreads to affect normally disease free countries.

No A. resinae ZN1 growth was found during the 60-h SSF operation by spreading samples taken periodically on the PDA plates, indicating that A. resinae ZN1 did not survive in the anaerobic ethanol fermentation.

Continue spreading petroleum jelly periodically over the cut, changing the bandage each time.

Meningococcal populations are highly diverse, and lineages of meningococci with increased capacity to cause invasive disease are thought to arise periodically and spread, sometimes globally (16 ).

Meanwhile, the measurements of CO2, CO, temperature, relative humidity, and air velocity were taken periodically and spread throughout many areas in the building to be sure that they were distributed evenly.