For British IT consultant Yogen Shah, India's COVID-19 crisis is deeply personal. The pictures of people hooked up to oxygen bottles on the streets of New Delhi and patients sharing beds in overcrowded hospitals remind him of his uncle in India, who recently contracted the disease. So Shah joined volunteers from one of Britain's largest Hindu temples who set out to raise 500,000 pounds ($690,000) by racking up 7,600 kilometers (4,722 miles) on stationary bikes — roughly the distance from London to Delhi — in 48 hours.

Since the coronavirus pandemic struck Spain, a glass pane has separated Xavier Antó and Carmen Panzano for the first prolonged period of the couple's 65-year marriage. Antó, age 90, appears three or four times a week at the street-level window that looks into the Barcelona nursing home where his 92-year-old wife lives, which closed to visitors more than a year ago to protect residents from COVID-19.

Around the world, it is taking extra effort and ingenuity to ensure the vaccine gets to remote locations. That means shipping it by boat to islands, by snowmobile to Alaska villages and via complex waterways through the Amazon in Brazil. Before it’s over, drones, motorcycles, elephants, horses and camels will have been used to deliver it to the world’s far corners.