New Yorkers profiled in 'City Under Siege' one year later

A look at the lives of New Yorkers profiled last year after a full year of living through the pandemic in New York City.

Is a fourth wave of coronavirus upon us?

The race to vaccinate continues amid concerns over a potential new surge of coronavirus infections.

UK to test series of COVID-19 safety measures to bring back mass gatherings - including vaccine passport

Britain is planning to test a series of measures including “coronavirus status certifications” over the coming weeks to see if they can allow people to safely return to sports arenas, nightclubs and concerts.

Past infection of COVID-19 increases vaccine response six-fold, new study finds

Researchers found that healthcare workers with a previous COVID-19 infection had six times the immune response to one dose of the Pfizer vaccine than those who hadn’t received the virus.

CDC clears domestic travel for vaccinated people, but still advises mask-wearing

The new guidelines say vaccinated travelers are less likely to get and spread the virus, but the CDC still recommends safety measures like wearing a mask, social distancing and hand washing.

Doctors studying if vaccine helps relieve ongoing COVID symptoms

As more people are able to get a COVID vaccine, some early reports suggest the shot may be helpful for those considered to have "long COVID."

COVID vaccinations now open to anyone 16 and up in Connecticut

Anyone 16 and older can now sign up for a coronavirus vaccination in Connecticut, leading to a major rush for appointments.

DOJ warns about fake COVID-19 vaccine survey scams

The Department of Justice is warning the public of fraudulent COVID-19 vaccine surveys used to steal money and personal information from consumers.

WHO: Europe's COVID-19 vaccination program is 'unacceptably slow'

European nations' immunization campaigns against COVID-19 are “unacceptably slow” and risk prolonging the pandemic, a senior World Health Organization official said.

Pfizer: Vaccine effective against COVID-19 up to 6 months later

Pfizer and its German partner, BioNTech, announced updated results Thursday from their ongoing late-stage study of more than 44,000 volunteers.

15 million J&J COVID vaccines thrown away after ingredient mix-up

A dosage mix-up at a Baltimore production facility, which ruined about 15 million doses of Johnson & Johnson’s COVID vaccine, has prompted the U.S. Food and Drug Administration to delay certification of the facility.

Pfizer says its vaccine is safe and effective in kids age 12-15

The pharmaceutical company said its vaccine was strongly protective in kids as young as 12. The news could have big implications for reopening schools.