Coronavirus: More than 1 serum immunity test 'to be used'

(ANSA) - Rome, April 16 - More than one serum test to detect immunity to the coronavirus may be used in Italy, sources told ANSA Thursday.
    The tests will be carried out initially on a national sample of 150,000 healthy individuals who have recovered from the virus.
    More people may be involved at a later stage, the sources said.