A man crossing the street in Helsinki. Photograph: Tony Öhberg/Finland Today

Three cases of Indian coronavirus variant B1617 have been found in Finland, the Finnish Institute for Health and Welfare confirmed in a press conference on Thursday.

B1617 shares several mutations associated with clinical impacts in other variants, including increased transmissibility, reduced neutralization by some monoclonal antibody treatments and a moderate reduction in post-vaccination sera.

Liisa-Maria Voipio-Pulkki, director-general of strategic affairs at the Ministry of Social Affairs and Health, told reporters that coronavirus variants arrive in Finland from many countries. Still, the pandemic situation in Finland has become better despite that the British coronavirus variant has played a major part in the infection rate.

The positive samples of the Indian variant were taken already in March, but the sequencing was only completed recently.