Manufacturers warn they will struggle to meet demand as governments seek to ease pressure on health services
Fears of a second wave of coronavirus have sparked a global scramble for influenza shots from countries that hope to vaccinate great swathes of the population to reduce pressure on their health services.
Health officials in the UK are considering whether to offer flu shots to everyone as part of planning for a resurgence of coronavirus in the autumn, but with other countries hitting on the same strategy, demand for flu vaccines has soared.
