Jim Clarken: Covid-19 has reinforced existing inequalities across the world 

Half a billion people could be pushed into poverty because of the fallout from the pandemic unless urgent action is taken, suggests Oxfam's Jim Clarken.

Throughout history, pandemics have forced us to see what and who matter most.

Think of the care-workers and nurses who have tended to people over the last year. The farmers and factory workers who’ve ensured our food supplies.