Tom Coughlin, a fellow with IEEE, offers a glimpse into the new year and how global supply chains will fare in the coming months.

As of mid-December, 61.4% of Americans were fully vaccinated against COVID-19 — a rate that disease experts say is inadequate to eradicate the virus. But it’s far better than the shockingly low numbers of some developing countries, where vaccination rates are still in the single digits.

If you’ve attempted to purchase an at-home COVID-19 test recently, you may have walked away from the store empty-handed. There’s been a nationwide shortage of at-home tests that hit at nearly the same time as the Omicron variant began to peak in almost every state.