US
Authorities say three people died in the capital while another 12 are in a critical condition
The country also recorded 239 deaths in the space of 24 hours
Scientist warns it will take weeks before data will show severity of the latest wave driven by Omicron
Delhi's cases have fallen consistently since hitting a peak of 28,867 on Jan 13
The number of deaths per one million inhabitants was last week among the highest in the world
The health ministry also reported 285 new deaths, taking the total to 483,463
The country reported 662,000 new cases on Thursday, the fourth highest daily US total ever recorded
The restrictions were announced amid fears of fifth wave of the Covid-19 pandemic
Experts say it's not known how much longer, beyond six months, the antibodies will stay elevated
Authorities also report 1,688 deaths for the same period