Covid update: UK strengthens curbs; Pfizer storage challenge; WHO’s China visit

From England's restrictions to Pfizer's storage challenge, here are the top updates on the coronavirus pandemic. England's government announced that it would strengthen restrictions for over 38 million people in view of rising coronavirus cases. More parts of east and southeast England to face toughest rules, as per rules. Meanwhile, China said it is ready to cooperate with the World Health Organization (WHO) in tracing the Covid-19 virus origin. WHO had earlier announced that it was sending a team of investigators to China. A team of ten experts led by the WHO will be visiting Wuhan next year where the first case of coronavirus emerged. Watch the full video for more details on the pandemic.