vaccine

CLOSE COVID survivors' main symptoms can linger for weeks or even months, causing pain, trouble breathing, nightmares and even organ failure. USA TODAYTop vaccine makers predict a vaccine or vaccines may be available as early as the beginning of 2021 and at least two pledged doses will be free or low-cost for all Americans.Speaking before a House…

A flurry of research, newly released by multiple manufacturers of COVID-19 vaccine candidates, provides reassuring glimmers of hope that scientists are on track to develop an effective and safe vaccine at record speed. On Monday, three research groups separately released early positive results demonstrating that their respective COVID-19 experimental vaccines induced a multipronged immune response…

Two potential coronavirus vaccines have shown promising results in early trials, and while experts say it's encouraging news, they warn that some of the biggest hurdles still lie ahead.The early trial results for the two vaccine candidates — one developed by the University of Oxford and AstraZeneca and the other by the Chinese company CanSino…

LONDON (AP) — Scientists at Oxford University say their experimental coronavirus vaccine has been shown in an early trial to prompt a protective immune response in hundreds of people who got the shot.British researchers first began testing the vaccine in April in about 1,000 people, half of whom got the experimental vaccine. Such early trials…

As the Covid-19 crisis escalates in the U.S., the scramble for an effective vaccine is about to collide with the electoral calendar. Pfizer (ticker: PFE) says it will seek Food and Drug Administration authorization for its Covid-19 vaccine as early as October. The federal government’s Covid-19 vaccine program, meanwhile, says it wants AstraZeneca’s (AZN) vaccine…