COVID-19 a pandemic.That means it’s now been a full year of you hearing about trying times, public health measures, cases, hospitalizations and deaths.From the start of the pandemic, our lives have changed in ways we never expected.When store shelves began to empty in the first months, one of the first lessons we learned was that in a time of crisis, some of the things we need can quickly disappear.“There was a sudden surge in demand,” explained Saibal Ray, a professor of supply chain management at McGill University. “Companies were not able to handle it, basically.”As the virus gripped Montreal and cities around the world, people started panic buying items like toilet paper, food and hand sanitizer, among others.Ray explained that many of.