As many Australians are emerging from lockdown and returning to workplaces, sporting activities and social meeting places, there’s a distinct nervousness and unease about how we greet our friends and colleagues after such a long time apart. For most people, the traditional hug and kiss are certainly off-limits until further notice. Many months of public health warnings and 20-plus hand washes a day, together with the rigorous use of hand sanitizer, has put the humble handshake onto the back-burner, at least for the time being.