So-called 'travel nurses' make up less than one percent of the nursing workforce, totalling 50,000 in number.<br />But according to Reuters, the coronavirus has stepped up the call for their services.<br />US hospitals are bracing for a surge of coronavirus patients just as some staff are under quarantine after being exposed to the virus.<br />They're facing a shortage of temporary nurses who can fill in - and being asked to pay as much as double to make it worth it.