How the pandemic altered global travel

Holiday travellers line up at the security checkpoint at Pittsburgh International Airport in Imperial, Pa., Dec. 23, 2021. [AP]

Whenever Dorothy Mwende wished to visit her sister in Dar Es Salaam, Tanzania, all she had to do was park a few T-shirts in a small bag and take the bus down. The only delay was at the Namanga border post during the inspection of her travel documents, an exercise that lasted no more than 10 minutes.