* WHO expert set to give briefing on flu vaccine Monday 13th July 2009

* H1N1-resistant cases have raised interest in jab (updates with WHO spokeswoman saying briefing likely on Monday)

The World Health Organisation (WHO) will probably hold a media briefing on Monday to issue guidance about the need for a H1N1 influenza jab, a WHO spokeswoman said on Friday. “The recommendations are still in the process of being developed,” Fadela Chaib told a news briefing in Geneva, where the United Nations agency is based. “The press conference will probably be on Monday,” she later told Reuters. Marie-Paule Kieny, WHO director of the Initiative for Vaccine Research, would give a news briefing once the recommendations emerging from the closed-door WHO meeting on Tuesday are approved by WHO Director-General Margaret Chan.

The WHO raised its influenza pandemic alert to the highest level on June 11 in response to the worldwide spread of H1N1, a newly discovered virus strain commonly known as swine flu.