The Food and Drug Administration was allowed to participate in the World Health Organization's meeting this week on updating influenza shots, officials for the U.N. agency said, despite an order by President Trump last month banning government employees from working with the WHO. The administration has granted some exemptions to the order.

A meeting of FDA's Vaccines and Related Biological Products Advisory Committee (VRBPAC) that selects strains to include in fall influenza vaccines was abruptly canceled, surprising and angering many on the panel.

The U.S. Food and Drug Administration confirmed on Thursday that a meeting of its independent advisory panel to discuss the composition of this year's flu vaccine has been canceled and the regulator would instead make recommendations later.

The Food and Drug Administration has canceled an annual advisers meeting to weigh in on yearly updates to the flu vaccine, raising some experts' concerns about next year's shot. CBS News chief medical correspondent Dr.