From a top doctor warning against overuse of CT scans, to more countries barring travellers from India - here are the top news updates on the Covid-19 pandemic. AIIMS Director Dr Randeep Guleria said that CT scan radiation can increase cancer risk among youngsters. Italy and Taiwan barred travellers from India to prevent infection surge. Denmark reportedly won't use Johnson & Johnson vaccine, while Malaysia decided to make the Oxford-AstraZeneca jab use optional over blood clot worries. Watch the full video for the other updates on the spread of the Sars-CoV-2 coronavirus.
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