Covid-19

The increase in antibodies produced by a fourth shot of COVID-19 vaccine is not enough to prevent infections from the omicron variant, according to preliminary research at an Israeli hospital.The results, revealed Monday, bring into…

Preparing a room for a new patient in the I.C.U. at the Brooklyn Hospital Center on Wednesday.Credit...Victor J. Blue for The New York TimesEven as New York State prepared for a significant snowfall on Sunday, Gov. Kathy Hochul told New…

(CNN) — Hawaii will likely soon require visitors to have a Covid booster shot if they want to travel to the islands.State Governor David Ige told reporters that his office is strongly considering changing its definition of "fully…

People wait in line to be tested for the coronavirus at a testing site in Miami earlier this month.Credit...Scott McIntyre for The New York TimesDr. Vivek Murthy, the U.S. surgeon general, warned on Sunday that the Omicron surge of…

As Broadway producers contemplate the steps they can take in order to keep their shows solvent in spite of the challenges and uncertainties posed by the Omicron variant and the sparsely-attended winter months, tensions between producers…

The recent decision by regulators to approve the antiviral agent Paxlovid for use in the UK adds a formidable new weapon to the arsenal of treatments for Covid-19. Pfizer says the drug has almost 90% success in preventing severe illness…

Norwegian Cruise Line canceled its Caribbean trip mid voyage due to Covid-19, leaving travelers stuck at sea until the ship returns to New York. The Norwegian Gem was on a 10-day sail but it was canceled and the ship docked in…

NEW YORK (WABC) -- On Saturday, the federal government is rolling out a reimbursement program for at-home COVID tests.Insured Americans can get eight of those tests per month.Insurance companies say it will take time to put the new…

Russia has confirmed 10,747,125 cases of coronavirus and 319,911 deaths, according to the national coronavirus information center. Russia’s total excess fatality count since the start of the coronavirus pandemic is at…

A nurse treating a Covid-19 patient in the intensive care unit of Sharp Grossmont Hospital in La Mesa, Calif.Credit...Etienne Laurent/EPA, via ShutterstockThe extremely contagious Omicron variant is fueling an enormous coronavirus wave…