Are Covid booster shots necessary? – video explainer | World news

[ad_1] Many countries with already high vaccination rates are considering offering people an additional coronavirus vaccine dose. But are these booster shots necessary? And what about the issue of vaccine equity? The Guardian’s Natalie Grover examines the costs and benefits of possibly introducing a third jab [ad_2] Source link

Does Covid immunity wane and will vaccine booster jabs be needed? | Coronavirus

[ad_1] With plans for the UK’s Covid vaccine booster programme this autumn soon to be revealed, we take a look at what we do – and don’t – know about waning immunity after vaccination. How is waning immunity against Covid investigated? There are several ways to do this: one is to look at whether people … Read more

US intelligence study inconclusive on Covid origins, according to reports | Coronavirus

[ad_1] A classified US intelligence report delivered to the White House was inconclusive on the origins of the Covid-19 pandemic, in part due to a lack of information from China, according to US media reports. The assessment received on Tuesday, which was ordered by President Joe Biden 90 days ago, was unable to definitively conclude … Read more