‘It’s like we’re trying our best to help the virus’: A fourth wave is looming if US fails to contain COVID-19 variants, experts say It’s difficult to predict what the virus will do over the next few months, said Samuel Scarpino, who conducts infectious disease forecasting at Northeastern University in Boston. The variants make estimates more difficult, he said, as do the rising rate of vaccination, the relaxation of some COVID-19 public health measures, the lack of demographic information on who’s getting vaccinated and […]