According to the title, the article discusses Covid-19 vaccine passports becoming the "new normal" for international travel. It states that countries, airlines, and travel platforms are considering the use of vaccine passports as a way to reopen borders and resume tourism. The passports would provide proof of vaccination and potentially also include information on test results. However, there are concerns about privacy, equity, and the effectiveness of these passports. Critics argue that they may lead to discrimination and exclusion among those who don't have access to vaccines or cannot be vaccinated. Overall, the article highlights the debate surrounding the implementation of vaccine passports for international travel.