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River Indus delta shrinking: UN
Global convention will help achieve UN SDGs by 2030
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Omicron sub-variant BA 2 harder to identify, scientists say
Experts express concern that samples of BA 2 may not be spotted as a form of Omicron
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Many countries yet to see peak in Omicron wave, WHO says
Global health authority says measures imposed to curb its spread should be eased slowly
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Covid-19, HIV collision could generate new coronavirus variants: scientists
People with weakened immune systems can suffer from persistent Covid infections, often for months
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'Omicron subvariant BA 2 more infectious than original'
The study also says that the variant is 'more able' to infect vaccinated people
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Scientists on alert over rising cases caused by Omicron cousin
The BA 2 subvariant is starting to outcompete BA 1 in parts of Europe and Asia
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Covid-19 pandemic far from over, says WHO chief
Head of the global health body urges countries to work together to bring the acute phase to an end
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Olympics Beijing Games had 72 Covid cases among early arrivals
Organisers say there were no cases among 171 athletes and team officials
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Tokyo hits record 10,000 Covid cases, Japan over 50,000 for first time
Authorities say three people died in the capital while another 12 are in a critical condition
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Germany tops 100,000 daily Covid cases for first time
The country also recorded 239 deaths in the space of 24 hours
