Qantas Airways To Require International Travelers Be Vaccinated

Qantas, an Australian airline, is planning to boost travel safety by requiring international travelers to show proof of vaccination before boarding. The airline's CEO anticipates that other airlines will adopt similar measures and suggests that a vaccination passport could be an option. Qantas does not expect to resume international flights until July.

What is the purpose of requiring vaccination for travelers according to the text?

When does Qantas expect to resume international flights?