This weekend, I stood in an aisle of my local supermarket, pointed my phone at a QR code on the wall, and within seconds I was signed up for a Covid-19 booster shot a few days later, just minutes from my house.

It wasn't as easy as buying a gallon of milk, but it was pretty darn easy.

After what has been nearly two difficult years for seafaring, for many seagoing workers that want to be vaccinated, the barriers remain high, though progress has been made.