Covid origin: Why the Wuhan lab-leak theory is so disputed
The claim Covid-19 leaked from a Chinese laboratory dates from early in the pandemic. Here's what we know.
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Infected blood inquiry: Five things we have learned
An inquiry into the "worst treatment disaster in NHS history" hears its final evidence.
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Infected blood inquiry: Five things we have learned
An inquiry into the "worst treatment disaster in NHS history" hears its final evidence.
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Infected blood inquiry: Five things we have learned
An inquiry into the "worst treatment disaster in NHS history" hears its final evidence.
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Infected blood inquiry: Five things we have learned
An inquiry into the "worst treatment disaster in NHS history" hears its final evidence.
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China Covid: How is it tackling the latest surge in cases?
China is ramping up its vaccination programme in response to the latest wave of Covid.
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Covid: Why are some places testing Chinese arrivals?
Beijing is finally opening its borders - but some countries are wary of a Covid threat.
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UK Covid modelling data to stop being published
The UK Health Security Agency says it will halt publishing the figures from early January.
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What does an unheated room do to your body?
The BBC's health and science correspondent undergoes an experiment to find out how a cold home affects him.
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Cold weather: What does an unheated room do to your body?
The BBC's health and science correspondent undergoes an experiment to find out how a cold home affects him.
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