Guwahati/Agartala,  Over 98 per cent of the 2,434 Covid-19 positive cases of eight northeastern states are asymptomatic, health officials said on Wednesday.

Health officials and medical experts of northeastern states said that over 98 per cent of the 2,434 COVID-19 patients are non-symptomatic or asymptomatic, they are just carriers of the virus.

"Though minor children and aged people are infected, a majority of the Covid-19 positive cases belong to 35-55 years age group," a senior health official of the Gauhati Medical College and Hospital (GMCH) said in Guwahati.

Another senior health official said in Agartala that among the 26 family members of the Border Security Force (BSF), two women, mothers of two BSF jawans, aged 82 and 61 years old, though infected by the COVID-19, are asymptomatic and they in a very short period recovered from the disease and discharged from hospitals.

With the return of 3.50 lakh domestic inhabitants from south and north India, there is a surge in coronavirus cases in the eight northeastern states to 2,434, including 1,784 active cases till Wednesday night.

According to Assam health officials, with 111 fresh Covid-19 positive cases, the state has so far 1,672 corona patients, including 1,328 active cases. The first confirmed case was reported in the state on March 31. Four Covid-19 patients, including a 16-year-old girl, have died so far.

The officials said that two of the 33 Assam districts -- Kamrup Metro (382) and Golaghat (189) -- account for 571 coronavirus patients. While Assam's main city and commercial hub Guwahati fall in Kamrup Metro, Golaghat district is a major tea growing area and a part of the famous Kaziranga National Park in the district.

In Tripura, Wednesday's 49 new cases took the total to 520, including 163 Border Security Force troopers, officers and their kin.

However, the state's active cases are 344 whereas three cases have migrated to other states.

After Assam and Tripura, 108 (active 70) positive cases have so far been found in Manipur, followed by 58 (active 58) in Nagaland, 31 (active 17) in Meghalaya, 29 (active 28) in Arunachal Pradesh, 14 (active 13) in Mizoram and two (both active) in Sikkim.