Why It’s So Hard to Predict Where the Covid-19 Pandemic Is Headed Next

Why It’s So Hard to Predict Where the Covid-19 Pandemic Is Headed Next

The question comes in many variations—what next week will be like, or the next school year , or the next winter —and has so for as long as the virus has been with us.So has vaccination, including the extent to which vaccinated people spread the virus , and how well immunity holds up over time.