Every year it’s the same. As soon as it starts to get cold, people gather indoors. Windows are pulled shut. Commuters forgo walking or cycling, opting for packed buses and subways. Our whole world retreats to where it’s warm, our breath condensing on the windows of homes, offices, schools, and transport, showing just how well we’ve sealed ourselves off from the outside. We create, in short, the perfect breeding ground for viruses.
When the respiratory virus season begins, it’s usually quite predictable. Patients start being admitted to hospitals with influenza or respiratory syncytial virus (RSV) around October in the northern hemisphere. Thousands of people get ill, and many die, but
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