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Guy’s Hospital in London. UK health services are at risk of being overrun

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Since the start of the pandemic, there have been concerns that the coronavirus could evolve to become more dangerous. Now, hospitals in the UK are at risk of being overwhelmed by surging numbers of covid-19 cases and there is growing evidence that this is partly due to a new variant of the virus that spreads more readily. This variant has already reached many other countries.

Hospitals in South Africa are also being overrun, due to a resurgence of covid-19 being blamed on another …