The World Health Organisation (WHO) has classified the coronavirus variant first found in India last year as a "variant of global concern".
It said preliminary studies show the B.1.617 mutation spreads more easily than other variants and requires further study.
The variant has already spread to more than 30 countries, the WHO says.
At least 22 Covid patients have died in a hospital in India after they lost oxygen supply due to a leak.
The incident occurred on Wednesday while an oxygen tanker was refilling a storage tank at the Zakir Hussain hospital in Nashik city. It's unclear how the accident happened and why it interrupted supply to patients.
New coronavirus cases in India are 273,810, with 1,619 deaths on Monday, which is a new daily record amid a second wave of the pandemic. Hospitals and health care infrastructure is overburdened.
The latest peak brought the total cases to 15 million, with 178,769 deaths so far, stated Indian Health Ministry.
Romania ranked 15th in the rankings of the most polluted countries in Europe in 2020, and the capital city of Bucharest ranked 51st in the world in this regard, in a hierarchy led by Delhi, India, reveal the latest data centralized in the global platform on air quality IQAir, informs Greenpeace Romania, in a release sent to AGERPRES on Tuesday.
The court removed from the court hearing the Indian citizen, who was detained for violent actions on board an Air France plane, flying over our country on a route from Paris to Delhi.
On Friday night, the plane landed at Sofia Airport because of the troubled passenger, who was detained and taken into custody.
Restrictions are being placed on New Year festivities around the world as many countries struggle to curb new spikes in coronavirus cases.
Fireworks displays and other public gatherings have been cancelled from Sydney to New York.
Festivities are being particularly muted in Europe, amid fears over a new more contagious strain of the disease.