Scientists seek Covid protection boost for people with weakened immunity
How effective are Covid vaccines if your immune system is compromised by HIV, cancer or a recent organ transplant?
More than 100 million vaccinated worldwide
More than 100 million Covid-19 vaccines have been given around the world, an AFP tally has found, but none of the world's 29 poorest countries has formally started mass vaccination drives
Five or six doses? Controversy over Pfizer vaccine vials
Five or six doses? Pfizer says each vial of its Covid-19 vaccine contains six doses but the difficulty in obtaining that extra dose means many countries are facing a drop in supply
No Europe deaths directly tied to Covid jabs: experts
Despite dozens of deaths of people shortly after they were vaccinated against coronavirus, scientists say the evidence available so far does not incriminate the new anti-Covid vaccines
AstraZeneca, Oxford file for EU vaccine approval
AstraZeneca and Oxford University have applied for authorisation for their coronavirus vaccine in the EU with a decision possible by January 29, the European Medicines Agency says
Frontrunners emerge in race for Covid-19 vaccine
Positive results from trials of several vaccine candidates have raised hopes that there is light at the end of the tunnel in the quest to curb a pandemic that has already killed 1.4 million
Vaccine innovation sparks hope, questions
Pfizer and BioNTech say their vaccine is 90% effective in preventing Covid-19 infections, but experts say the announcement raises many questions such as who it will protect and for how long?
Scientists on guard over ‘mutant’ mink coronavirus
Coronavirus transmission from minks to humans does not necessarily mean the disease will become more dangerous, but scientists are closely monitoring the situation in Denmark