Syringe shortage could hamper delivery of Covid-19 vaccine, experts warn

US companies make roughly 663m syringes a year but the Trump administration has calculated that an extra 850m may be needed

As the race for a vaccine against the coronavirus heats up, the US faces another potential crisis: a shortage of syringes.

The US federal government has already spent hundreds of millions of dollars in hopes of warding off a syringe shortage, if and when a Covid-19 vaccine is approved. It comes as shortages of personal protective equipment continue to hamper the response to the pandemic.