As Biden pledges 80 million Covid-19 vaccines for world, US expats in Asia ask ‘what about us?’

• In a bid to counter China and Russia, the US president has vowed to donate 20 million Pfizer, Moderna and Johnson & Johnson shots and 60 million AstraZeneca jabs to countries around the world
• With nearly half of all Americans jabbed, the country has excess doses to give away. Some expats hope these shots will find their way into American arms, overseas