Since 2000, there has been a livestock ban on Somali imports in Saudi Arabia (which represents 90 per cent of Somalia's livestock market) and other Gulf States in response to an outbreak of Rift Valley Fever (RVF).

The western shore of the lake in DR Congo exhibits the steep escarpment typical of a rift valley lake, rising to the Kundelungu Mountains beyond, but the rift valley escarpment is less pronounced on the eastern shore.

The sea is underlain by the Red Sea Rift which is part of the Great Rift Valley.

It is a rift valley lake lying in the Lake Mweru Luapula graben, which is a branch of the East African Rift.

Experts say we've already seen examples of this impact, from epidemics of cholera in Bangladesh to Rift Valley fever in Africa.

Round the house, in the rift valley, is farmland, but within a short distance to the north west, on the other side of the fault, are the Grampian Mountains in the Highlands.

And when you dive into that rift valley, that's where the action is because literally thousands of active volcanoes are going off at any point in time all along this 40,000 mile range.

The Great Rift Valley runs through the country from north to south, and to the east of the valley lies Lake Malawi (also called Lake Nyasa), making up over three quarters of Malawi's eastern boundary.

Louise Leakey asks, Who are we? The question takes her to the Rift Valley in Eastern Africa, where she digs for the evolutionary origins of humankind and suggests a stunning new vision of our competing ancestors.

I have a fever.

You don't have a fever.

Do you have a fever?

How Japan Fights Back Against Hay Fever

After the Gold Rush

The gold rush is over.

As you have a fever, you'd better stay home.

Taming the Arctic Oil Rush

Image license Attribution ShareAlike 2.0 Generic (CC BY SA 2.0). City Dwellers Experience the Worst Hay Fever

Bosworth theorized a connection between asthma and hay fever.

Symptoms are typified by diarrhoea with fever, and acute enteritis.

Then went I up in the night by the brook, and viewed the wall and I turned back, and entered by the valley gate, and so returned.

Then went I up in the night by the brook, and viewed the wall, and turned back, and entered by the gate of the valley, and so returned.

Istanbul, Turkey's biggest city, lies at the heart of this frenzied process.

I liked the room overlooking the valley.

The team was met on arrival, escorted up the valley and invited to enter a tunnel that had been built into the side of the valley.

The valley was a Palestinian controlled area.

Someone comes into the clinic, they have a fever, they feel bad. What do they have?

As you have a fever, you'd better stay home.

He took them, and sent them over the stream, and sent over that which he had.

Kiriathaim, Sibmah, Zereth Shahar in the mount of the valley,

The Philistines yet again made a raid in the valley.

And he took them, and sent them over the brook, and sent over that he had.

And Kirjathaim, and Sibmah, and Zareth shahar in the mount of the valley,

And the Philistines yet again spread themselves abroad in the valley.

The border went down to the brook of Kanah, southward of the brook. These cities belonged to Ephraim among the cities of Manasseh. The border of Manasseh was on the north side of the brook, and ended at the sea.

And the coast descended unto the river Kanah, southward of the river these cities of Ephraim are among the cities of Manasseh the coast of Manasseh also was on the north side of the river, and the outgoings of it were at the sea

It lies on the border between the Democratic Republic of the Congo and Rwanda, and is in the Albertine Rift, the western branch of the East African Rift.

I chatted with him this summer during the World Cup fever that gripped Brazil.

He paws in the valley, and rejoices in his strength. He goes out to meet the armed men.

He paweth in the valley, and rejoiceth in his strength he goeth on to meet the armed men.

Research shows that hay fever is exacerbated when pollen mixes with other pollutants in the air, another reason why the highest hay fever rates are found in cities, even though they typically have lower pollen counts than rural areas.

Surgical masks are ubiquitous in Japan, particularly during hay fever season.

Hay fever sufferers in Japan have no shortage of products to choose from. Photo from Flickr user Andrea Hale.

Saul came to the city of Amalek, and laid wait in the valley.

He said, Thus says Yahweh, 'Make this valley full of trenches.'