The virus seems to be distributed worldwide and to have a seasonal distribution with its incidence comparable to that for the influenza viruses during winter.

Their seasonal distribution is also marked by the fact that they follow an anomalous migration pattern.

There is abundant rainfall but the seasonal distribution is uneven.

This reflects in the seasonal distribution of tourist arrivals with a disproportionate number arriving during the summer months.

Disease with an unusual geographic or seasonal distribution (i.e. influenza in the summer).

Smaller batch beers are also produced for seasonal distribution.

This seasonal distribution of infection in temperate climates is rather puzzling.

The seasonal distribution of rainfall is a factor at all latitudes, as is drainage.

Terrain differences cause wide local variations, but the seasonal distribution is the most consistent of any area.

In the tropical north and the sandy deserts of the west, it has a patchy and seasonal distribution.