The study found that the spread of COVID-19 was reduced by anywhere from 23% to 57% when airlines left the middle seat vacant, compared to when they operated at full capacity.

"The odds might be small, but since vaccines still aren't 100 percent effective, it's not unusual."

Moderna said new data shows its COVID-19 vaccine continues to provide strong protection.

Experts say there are a number of reasons why someone can become infected with COVID-19 even after getting their shot.

Next up on the vaccine news front are some concerns about efficacy. In a very surprising statement, Gao Fu (the head of the Chinese Center for Disease Control and Prevention) said at a conference in Chengdu over the weekend that that the protection figures of the Chinese vaccines are "not high". He

We have a lot of vaccine news to catch up on! First up is the latest on the possible clotting side effects seen with Oxford/AstraZeneca. This is looking more and more likely to be a rare-but-real effect, and I'm not happy that it's holding up. I had hoped at first that this was a false signal, but a

In previous studies, antibodies had to be given intravenously. This one can be given with an under-the-skin injection.

Some scientists suggest halving the dose might reduce risks and help protect more people from COVID-19

Scientists at GE Research have been awarded a grant to develop tiny sensors that can be embedded inside phones to identify COVID-19 particles on surfaces.

Moderna said it's COVID-19 vaccine offers protection for at least six months.

The New York Times has a good story on the problems at the Emergent vaccine plant in Baltimore, following up on this one. They've uncovered a report from last summer that warned that the facility had quality control problems: A copy of the official’s assessment, obtained by The New York Times, ci

A number of Walmart stores in Massachusetts will begin offering COVID vaccine appointments starting next week.

Six months after being diagnosed with Covid-19, 1 in 3 patients had also experienced a neuropsychiatric illness.

With about 16% of the US population fully vaccinated and cases of Covid around five times less than it was at its peak in January, things are looking up when it comes to beating the pandemic. Right…

In a study of 2,260 U.S. volunteers ages 12 to 15, preliminary data showed there were no cases of COVID-19 among fully vaccinated adolescents.

A concerning contributor to the national rise in cases comes from Michigan and the entire Northeast.

It’s a slight drop from earlier this week.

This morning brings news of new trial results of the AZ/Oxford vaccine, with results from the US, Chile, and Peru. This one has been a much more complicated and difficult story than it really should have been - at least, I think that's how it's going to look years from now. As you'll likely remember

In a U.S. trial, the two-dose vaccine reduced symptomatic disease by 79% and severe Covid-19 and hospitalization by 100%.

GitHub is where people build software. More than 56 million people use GitHub to discover, fork, and contribute to over 100 million projects.

Hopes of a repeat of the post-influenza Roaring ’20s are understandable, but misunderstand the differences between then and now, says historian John M. Barry.

The coronavirus spread on an international flight, in a hotel corridor and then to household contacts despite efforts to isolate and quarantine patients, New Zealand researchers reported Thursday.

Today, the Baker-Polito Administration announced the timeline for all remaining residents to be eligible for a vaccine. The Administration also announced the weekly distribution of vaccine doses statewide for providers and a new $24.7 million investment in the Administration’s Vaccine Equity Initiative. Vaccine Eligibility Timeline Governor Baker today announced the dates that all remaining residents and certain worker groups will be eligible for a vaccine. The Commonwealth’s detailed timeline adheres to the original timeline for the three phases announced in December. All residents can pre...

President Joe Biden on Tuesday called on states to prioritize vaccinating teachers and school staff by the end of March.

Biden moved up his timeline Tuesday, saying there would be enough Covid-19 vaccine supply to inoculate all Americans by the end of May.

The Director of the Centers for Disease Control cautioned against relaxing coronavirus restrictions one day after Governor Baker announced Massachusetts would ease capacity restrictions.

The CDC continues to update its counts of deaths by cause for 2020 as data comes in from the jurisdictions that report to it. The data are by now fairly complete, though there are still significant gaps in several states due to delayed reporting. North Carolina, in particular, has yet to report almost any deaths for the entire final quarter of 2020. But I haven’t updated my gallery since last October.

The briefing documents are out at the FDA site for tomorrow's hearing on the J&J vaccine. Here's a summary at STAT from Matthew Herper and Helen Branswell, and I agree with their take: overall, the numbers look good. Update: here's a good Twitter thread from Hilda Bastian, and here's one from Er