U.S. public health authorities have skirted normal procedures and announced two major policy changes that will likely reduce access to COVID-19 vaccines and restrict use to higher-risk populations. Here,

Robert F. Kennedy Jr.’s overhaul of an influential committee, including the appointment of new members, has created concern about vaccine access.

After federal health officials made abrupt changes to US Covid-19 vaccine recommendations for pregnant women last month, there’s new confusion and uncertainty about who can get the shots — and some reports that patients were turned away when they tried to get vaccinated.

COVID-19 appears to be on the rise in some parts of California as a new, highly contagious subvariant — featuring 'razor blade throat' symptoms overseas — is becoming increasingly dominant.

Alberta's government says residents who are not immunocompromised or on social programs will soon have to pay to get the COVID-19 vaccine.

When Robert F Kennedy Jr announced that the US would stop recommending covid-19 vaccines for healthy children and pregnancies, he bypassed standard protocols and set the stage for future vaccine rollb

Novavax's experimental COVID-19-influenza combination and standalone influenza vaccines generated a strong immune response in adults aged 65 and older, similar to already approved shots against the viruses in a late-stage trial.