Three people have died and several others in Argentina have become sick after developing pneumonia with no clear cause, the World Health Organization said Friday.
Analysis: scientists are only starting to understand new Covid mutation but there is encouraging news from the laboratory, South Africa and on antiviral drugs
In the UK, this vaccine was used to vaccinate older people, whereas in Europe initially people thought the vaccine doesn’t work in older people, claims the…
Scientists have reacted to a recent interview in which Pascal Soriot, the executive director and chief executive officer of AstraZeneca, commented on the ability of the AstraZeneca COVID-19 vaccine to induce long-lasting T-cell responses.
Just 67million doses of AZ have been distributed across the continent compared to 440m doses of the Pfizer-BioNTech jab, even though more recent studies suggest the jab provides longer protection.