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 Trump administration has canceled an upcoming meeting of the Food and Drug Administration’s vaccine advisory committee, a move that could complicate efforts to produce flu shots in time for the upcoming season.

A Food and Drug Administration vaccine advisory committee meeting scheduled for March to select the strains to be included in next season’s flu shot has been canceled, a panel member said Wednesday.Federal health officials notified members of the Vaccines and Related Biological Products Advisory Committee of the cancellation in an email Wednesday afternoon,