The Johnson & Johnson vaccine is different from the Moderna and Pfizer vaccines in a few important ways that could make it a huge help to global vaccination efforts.
With the vaccines now being administered at sites around the US, it is important to address misinformation surrounding the effort.
The clock starts ticking once the vaccine leaves the freezer. Here's what to expect.
Behind Canada’s current COVID-19 vaccine shortage is a decades-long tale of unheeded warnings, missed opportunities and dismantled resources that was never going to end well.
Americans with excess weight and obesity have been hit hard by COVID-19. Now there is reason to believe they may not get the same protection from the vaccines.
It's going to be a huge logistical challenge.
Production limits the rate at which vaccines can be rolled out, and is at the heart of the current disagreements between the UK and EU.
With slow vaccine distribution and manufacturing, some people won't get the second dose on time. But does it matter?
Australia is set to get the green light to roll out the Pfizer vaccine any day now. There is a complex process behind this.
Many countries cannot afford to buy existing COVID-19 vaccines, a collective approach is needed.
Researchers say around 70% of the US needs to get the coronavirus vaccine to stop the pandemic. But questions around the vaccines and regional differences add some uncertainty to that estimate.
So far, the only COVID-19 vaccines authorized for use need to be kept frozen. But there are many places in the world that can't support a cold supply chain.
A new strain of the SARS-CoV-2 virus that causes COVID-19 appears to be spreading fast in the UK. This probably isn't a big problem, but the data isn't in yet.
COVID-19 vaccines have very specific storage requirements that make shipping a difficult task. Two ideas – fulfillment centers and cross-docking – could help overcome some distribution challenges.
We should applaud drug companies for developing COVID-19 vaccines in record time, but let’s not be under any illusion about the profits that are motivating them.
Millions of Americans say they won't get the vaccine. Will money change their minds? And is luring them with cash the right approach?
COVID-19 vaccine testing on children is just getting started, and only in adolescents.
The vaccines that will first be used to prevent the spread of COVID-19 will have gone through a special approval process with the FDA. but just what is this expedited process?
The side effects of new SARS-CoV-2 vaccines are a result of immune system activation. While uncomfortable, they are both normal and expected. They are a sign that the vaccine is working.
'Sensible' public figures have far less influence on our behaviour than it seems