There is now a third vaccine that prevents COVID-19 infections. It isn't quite as effective as the other two vaccines but it has advantages that may make it the frontrunner.
Experts from across The Conversation look at how COVID-19 vaccines will work, how they're being tested and manufactured, and what challenges there will be to rolling them out.
With Donald Trump already doing a great job of making the public more wary of a coronavirus vaccine, big pharma has to do better than this.
Stoppages of clinical trials are a normal part of the testing process, and show that patient safety is being taken seriously.
The phase 3 trials of the University of Oxford/AstraZeneca vaccine have been paused because one participant became unwell. But we don't know for sure if the illness was a reaction to the vaccine.
The Australian government is working with two major pharmaceutical companies to facilitate the local production and supply of two different COVID-19 vaccines – if they're proven to be effective.
The federal government has secured two possible vaccine sources with a $1.7 billion supply and production agreement with two pharmaceutical companies.
The vaccine hasn't completed phase 3 trials, so we can't be sure it will be safe and effective for all. The Australian government's deal is contingent on these trials being successful.
Instead of a global response to the pandemic, we're seeing an outbreak of vaccine nationalism.
The experimental vaccine stimulates the creation of antibodies. Now we need to show that these effectively protect us from the coronavirus.
It's not a case of being afraid of different ideas, more that some people want everyone to think as they do.
The great thinker left thousands of comments in the margins of his personal library. Now these are being digitised and catalogued.
Back in the Middle Ages, as well as speaking English and Latin, many people living in Britain also spoke French.
Some say Britain should be proud of its imperial past. Oxford academics say it's not so simple.
New findings reveal only 1.5% of all offers from Oxford and Cambridge went to black British A-level students.
The automation wave is coming for computer programmers – up to a point.
Our whole system of political campaigning needs a reboot.
Global economic realities shouldn't deter African universities from continuing to push for massification. But they must do so armed with knowledge, lessons from elsewhere and strong funding models.
In many countries, students go to their nearest institution, but in England in particular, there is a strong historical precedent for going away to university.
Understanding how the flu virus copies itself could open a way to killing it.