GENEVA (Reuters) - Countries should be ready for more serious H1N1 flu infections and more deaths from the newly discovered virus, World Health Organization chief Margaret Chan said on Friday.

KUWAIT (Reuters) - Eighteen U.S. soldiers in Kuwait have H1N1 flu, the first cases in the Gulf Arab oil-exporting region, a government official said on Sunday.

HONG KONG (Reuters) - Scientists have said they had identified the toxin in a species of mushroom that killed seven people in Japan in recent years.

WASHINGTON (Reuters) - The most complete analysis yet of the new H1N1 swine flu virus shows it must have been circulating undetected for years, most likely in pigs, researchers said on Friday.

GENEVA (Reuters) - Countries should be ready for more serious H1N1 flu infections and more deaths from the newly discovered virus, World Health Organization chief Margaret Chan said on Friday.

WASHINGTON (Reuters) - The U.S. government said on Friday it is setting aside billion to help companies develop a vaccine against the new strain of H1N1 influenza that is sweeping the world.

WASHINGTON (Reuters) - Doctors, clinics and others promoting corrective eye surgery known as LASIK need to make sure their advertisements tell consumers about possible risks, U.S. regulators said in a letter released on Friday.

By Katie Reid GENEVA (Reuters) - Hospitals and their emergency vehicles, which are major polluters, must join the fight against climate change, the World Health Organization said on Friday.

GENEVA (Reuters) - The head of the World Health Organization said Thursday she would not hesitate to raise the global pandemic alert to the top of the six-point scale if the new H1N1 flu is spreading globally.

GENEVA (Reuters) - Countries facing an imminent flu pandemic are making progress on an agreement on how to share drugs, vaccines and the viruses needed to make them, the head of the World Health Organization said on Thursday.