This could cause a global flu pandemic as devastating as the one in 1918, which killed tens of millions.
An outbreak of swine flu that has jumped the species barrier from pigs to humans – infecting up to 1,300 people and threatening to cause a global flu pandemic – is likely to arrive in Britain, the scientist who is heading the UK's response said last night.
Getting off those allergens can cause a brief, flu-like achy syndrome that may last one to three days.
Although getting cold doesn't actually cause a cold or flu (the viruses do), being cold can reduce your stamina and make you feel miserable and fatigued.
The disease can cause a variety of flu-like symptoms such as fever, achy joints, fatigue and headache.
The prospects for eliminating it, he concludes, are bleak.H5N1 keeps many epidemiologists awake at night because it comes close to fulfilling the three conditions for causing a human flu pandemic.
But the summers are normally warm enough to cause a sharp downturn in flu cases.
The virus, carried by mosquitoes, causes a mild, flu-like illness in 20percentt of those infected, and no symptoms in about 80percentt.
There are no inoculations at present, and in reality you and your fiancée don't really need them because the virus normally only causes a mild flu-like illness, which passes in a few days.
"If it causes a sporadic flu-like illness, that's never going to get diagnosed," he said.
Nature is currently experimenting feverishly to find just the right strain of avian flu to cause a global pandemic.
