Even as the news of a woman in Kolkata being infected with Human Coronavirus HKU1 has raised fresh concerns, health experts on Monday said that the virus has been known for at least two decades and is less likely to cause any widespread infection.

HKU1 was named after Hong Kong University where it was originally described in 2004. HKU1 is also known as Betacoronavirus hongkonense. It is a species of coronavirus that affects humans and animals.