GENEVA -- Making a swine flu vaccine appears to be more difficult than experts first thought, the World Health Organization acknowledged Tuesday as U.N. Secretary-General Ban Ki-moon and WHO chief Dr. Margaret Chan met with pharmaceutical companies.
Health officials from around the world are attending WHO's annual meeting in Geneva this week to discuss the outbreak that has infected 9,000 people in over 40 countries, killing 76 of them.
Flu experts have told WHO that vaccine manufacturers will not be ready to produce a swine flu vaccine until mid-July at the earliest, WHO reported Tuesday. Previously, WHO officials had thought production could start in late May.
Experts also found no evidence that regular flu vaccines offer any protection against swine flu.
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