Data coming through from phase 3 trials are encouraging. But participants don't represent the whole community — so we can't be sure these vaccines will work as well in everyone.
COVID-19 vaccines are at risk of being undermined by vaccine hesitancy. Pharma must take steps to ensure transparency in data monitoring committees and trial data to build public trust in vaccines.
We will struggle to find a vaccine that works perfectly for people who need it most, despite what the headlines say is coming in 2021.
Two more COVID-19 vaccines may now be on the cards for Australia, should they pass clinical trials. But, as with earlier vaccine deals, there are no guarantees.
Several vaccines are in Phase 3 trials. So when will we know whether any of these will protect against COVID-19?
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.