Several vaccines are in Phase 3 trials. So when will we know whether any of these will protect against COVID-19?
Will a vaccine for COVID-19 be safe? Animal testing, human clinical trials and post-approval surveillance give us good grounds to believe that a future approved vaccine will work and be safe.
A public health lawyer and ethicist explores the thorny issue of whether requiring people to be vaccinated against COVID-19 might be necessary. And if so, can people object citing their faith?
Conventional trials to test coronavirus vaccines are paradoxically slowed down by actions to curb the disease's spread. Human challenge trials are more controversial, but could speed up the process.
As Russia fast tracks a coronavirus vaccine, scientists worry about skipped safety checks – and the potential fallout for trust in vaccines if something ends up going wrong.
If the vaccine does not protect individuals from infection, those who have been vaccinated could falsely believe they are protected.
Politicians are throwing billions of dollars at coronavirus vaccine trials, but the real cost of research is the one thing we're lacking – time.
As most of the world early awaits a vaccine for COVID-19, a smaller group of people scoffs. They could spell real trouble in the effort to build widespread immunity.
Responding to someone who questions vaccination can be difficult. Before you react, it pays to assess the situation because weighing in can do more harm than good.
Deliberately infecting people with a disease-causing agent as part of carefully considered medical research can be ethically acceptable or even necessary.
Anti-vaccination sentiment is leading to disastrous consequences, not only in the U.S. but European countries, particularly Italy. A philosopher of science suggests how best to use facts to fight it.
Opposition to vaccines still prevents many children from getting needed preventative care. Understanding who is opposed, and why, can help, but the answers may surprise you.
You may not know anyone with an infectious disease covered by the immunizations on the 2017 list of recommended vaccines. Here's why that doesn't matter, and why children still need to be protected.
Whilst most parents do vaccinate, health professionals often find it difficult to talk with those who are hesitant or decline. A new resource provides information and communication support.