New rules mean workers must show they are vaccinated, have tested negative, or recovered from Covid.

Moderna said its Covid-19 vaccine was effective in children aged 12 to 17 in a new study, a finding that could clear the way for a second shot for use in adolescents.

The World Health Organization has launched the biggest vaccination campaign in human history, with the aim of distributing doses to 190 countries and limiting the risk of dangerous mutations. But the project is a race against time.

Public-health experts say the cards may soon become passports to resume everything from travel to dating. The U.S. has no central database for immunizations and an incomplete patchwork of state records.

Critics say Connecticut and Maine’s new vaccination regimes unfairly exclude essential workers and people with serious medical conditions.

Brussels is pushing for the pharmaceutical giant to make up its shortfall of jabs using its factories in Britain.

California is transforming baseball stadiums and fairgrounds into mass vaccination sites as the coronavirus surge overwhelms hospitals and sets a deadly new record in the state

The FDA has informed Pfizer it intends "to proceed towards an authorization" of the manufacturer's Covid-19 vaccine, the US Health and Human Services Secretary told ABC on Friday morning, as the country is deep into a worsening health crisis.

Moderna's COVID-19 vaccine could be the second vaccine to receive the Food and Drug Administration's emergency use authorization.

Moderna said Monday its COVID-19 vaccine is proving to be highly effective in a major trial, a second dash of hope in the global race for a shot to tame a resurgent virus that is now killing more...

The hotly contested strategy of deliberate exposure, known as a human challenge trial, could speed up the process of identifying effective coronavirus vaccines.

Drug makers developing Covid-19 vaccines plan to issue a pledge not to seek government approval until the shots have proven to be safe and effective, an unusual joint move among rivals that comes as they work to address concerns over a rush to mass vaccination.

The confident depiction by politicians and companies that a vaccine is imminent and inevitable may give people unrealistic beliefs about how soon the world can return to normal — and even spark resistance to simple strategies that can tamp down transmission.

Worried about the rapid spread of the Delta variant, governments are nudging, and in some cases, pushing, people to get vaccinated by introducing restrictions to daily life for those without a Covid-19 shot.

The Biden administration, siding with some world leaders over the U.S. pharmaceutical industry, came out in favor of waiving intellectual property protections for coronavirus vaccines.

France’s largest stadium, the Stade de France, opened on Tuesday as its largest Covid-19 vaccination centre. Some 1,500 people made appointments for a jab at the venue to start a drive that health au…

A series of missteps by AstraZeneca has led to scathing criticism of the drugmaker by policymakers and health officials, tarnishing its image as a hero of the coronavirus era.

The first real-world data from the U.K.'s inoculation program has given an insight into how effective vaccines have been against Covid-19.

US biotech firm says its vaccine protects against all emerging strains but is developing the booster for the South Africa one "out of an abundance of caution"

With two coronavirus vaccines receiving federal clearance, we answer your questions — from when you should get vaccinated to how they work and how they were made so quickly.

The UK is the first country to approve the Pfizer vaccine - with 800,000 doses due to arrive in the coming days.

One regimen showed an effectiveness of 90% when participants received a half dose, followed by a full dose at least one month apart.

Positive trial results could lead to shot being available for use by the end of the year

AstraZeneca describes the pause in its keenly-awaited final clinical trials as routine.

Russia's health ministry has given approval for the world's first coronavirus vaccine to be used for the population.