Covid outbreaks in New York and D.C. infect senior officials as omicron BA.2 variant sweeps the U.S.

A man is given a coronavirus disease (COVID-19) test at pop-up testing site in New York, April 11, 2022. Brendan McDermid | Reuters Covid infections are rising again in the U.S. with outbreaks in New ...

CDC director says high immunity in U.S. population provides some protection against omicron BA.2

CDC Director Rochelle Walensky on Tuesday said there is enough immunity in the U.S. population to provide some protection against the more contagious omicron BA.2 subvariant, which could help stave of...

Dr. Scott Gottlieb believes omicron BA.2 subvariant unlikely to cause ‘national wave’ in U.S.

Dr. Scott Gottlieb told CNBC on Tuesday that he believes the U.S. this spring will avoid a “national wave” of infection related to the more contagious omicron BA.2 subvariant. However, the...

More contagious omicron BA.2 is on track to displace others in U.S.

A resident receives a Covid-19 swab test during a mobile clinic at Saint Paul MB Church in Cleveland, Mississippi, on Saturday, Jan. 8, 2022. Rory Doyle | Bloomberg | Getty Images The more contagious ...

BA.2 Omicron Variant Becomes Dominant In U.S., CDC Says

Topline The highly transmissible BA.2 Omicron variant comprised more than half of COVID-19 infections last week, the Centers for Disease Control and Prevention said on Tuesday, as experts say they bel...

More contagious omicron BA.2 Covid subvariant dominant in the U.S., CDC says

A woman takes a coronavirus disease (COVID-19) test at a pop-up testing site in New York City, January 12, 2022. Brendan McDermid | Reuters The more contagious omicron subvariant, BA.2, is now the dom...

Omicron ‘stealth’ variant BA.2 is spreading rapidly in China

People line up for nucleic acid testing at a temporary Covid-19 testing site on March 22, 2022 in Shenzhen, Guangdong Province of China. Vcg | Visual China Group | Getty Images BEIJING — As mainland C...

Omicron BA.2 subvariant will soon dominate in U.S., but Fauci doesn’t expect another surge

Dr. Anthony Fauci speaks about the Omicron coronavirus variant during a press briefing at the White House in Washington, December 1, 2021. Kevin Lamarque | Reuters Omicron’s more contagious subv...

Omicron’s subvariant BA.2 could spread ‘wildly’ in Europe: Epidemiologist

Doctor Immanuel Hardtmann holds a syringe with the vaccine Moderna in a temporary vaccination center inside the Excursion boat Alexander von Humboldt on the first day of the #HierWirdGeimpft (Get Vacc...

Health experts predict uptick in U.S. Covid cases due to new BA.2 variant

Dr. Anthony Fauci, White House Chief Medical Advisor and Director of the NIAID, responds to questions from Sen. Rand Paul (R-KY) at a Senate Health, Education, Labor, and Pensions Committee hearing on...

Is omicron subvariant BA.2 to blame for rising Covid cases?

A doctor monitors a Covid-19 patient in the Covid-19 intensive care unit of the community hospital in Germany on April 28, 2021. RONNY HARTMANN | AFP | Getty Images LONDON — Covid cases are rising in ...

Transmissibility, severity, reinfection of Omicron BA.2 subvariant

Sopa Images | Lightrocket | Getty Images A more contagious subvariant of omicron, known as BA.2, is spreading across the globe and could soon become the dominant version of Covid-19. It’s now th...

GSK, Vir Say Their Covid Antibody Treatment Can Neutralize Fast-Spreading Omicron Relative

Topline A Covid-19 antibody treatment developed by Vir Biotechnology and GlaxoSmithKline is still capable of neutralizing the infectious omicron subvariant, BA.2, Vir announced Thursday, offering earl...

WHO says new omicron BA.2 subvariant will rise globally

RT: Maria Van Kerkhove, Head a.i. Emerging Diseases and Zoonosis at the World Health Organization (WHO), speaks during a news conference on the situation of the coronavirus at the United Nations in Ge...

Here’s What We Know About ‘Stealth’ Omicron BA.2 — The More Infectious Subvariant Better Able To Infect Vaccinated People

Topline A close relative of the omicron coronavirus variant—known as BA.2 and dubbed “stealth omicron” by some scientists—is more infectious and better at infecting vaccinated people, a Danish study h...

BA.2 more contagious, but vaccinated less likely to spread it, study finds

A healthcare worker administers a Covid-19 test at testing site in San Francisco, California, U.S., on Monday, Jan. 10, 2022. David Paul Morris | Bloomberg | Getty Images The omicron BA.2 subvariant i...

The new BA.2 omicron subvariant is already circulating in half of U.S. states

Dr. Pierre Coulon, PhD examines microscope images of vaccinated mice in Irvine on Wednesday, February 3, 2021. Leonard Ortiz | MediaNews Group | Orange County Register via Getty Images There are alrea...