A middle-aged man was tested positive for COVID-19 at Zoram Medical College (ZMC) in Aizawl, officials said on July 1.
The new patient, a resident of Champhai district, has returned to the state from Delhi recently, a statement said.
He is asymptomatic and has been admitted to COVID-19 care centre in Champhai, it said.
Mizoram has reported a total of 148 COVID-19 cases, of which 93 are active patients while 55 have recovered and were discharged from hospitals.