Australia has drastically increased its vaccinations since Delta outbreaks plunged cities like Melbourne into lockdown
A trial of the Oxford-AstraZeneca Covid vaccine on children has stopped giving out jabs while the UK's medicines regulator investigates a possible link with rare blood clots in adults.
The number of people to have died with coronavirus in the UK has exceeded 100,000.
If there's one question about coronavirus that we ask more than any other, it's surely "What is my risk?"
The UK will be living with coronavirus for many years to come and even a vaccine is unlikely to eliminate it for good, experts are warning.
Governments should not issue so-called "immunity passports" or "risk-free certificates" as a way of easing lockdowns, the World Health Organization (WHO) says.
The daily number of coronavirus deaths has fallen in Spain for a fourth consecutive day, boosting hopes the country has passed the outbreak's peak.
Doctors working on a clinical trial for treatment of heart disease held back key data, Newsnight has been told.
A new gene therapy has been used to treat patients with a rare inherited eye disorder which causes blindness.
The US has approved its first treatment for peanut allergies in children.
