KYOTO -- Japanese precision instruments maker Shimadzu begins conducting coronavirus tests Tuesday for people who need proof of negative results to travel overseas, as countries reopen their doors to foreign travelers.
'Proof of no infection' certificates can be produced quickly for busy people

Shimadzu's saliva test can yield results in as little as an hour. (Photo by Kenya Akama)
KYOTO -- Japanese precision instruments maker Shimadzu begins conducting coronavirus tests Tuesday for people who need proof of negative results to travel overseas, as countries reopen their doors to foreign travelers.