Queenslanders are being told there is a delay of 4-6 weeks to get a flu shot.

Australian based vaccine manufacturer Seqirus is working around the clock to meet demands, which includes taking delivery of half a million eggs a day.

What do chicken eggs have to do with the flu vaccine?

Ben talks to the vice president of vaccinations at Seqirus, to find out how long it takes to harvest the vaccine from start to finish.

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