HAMBURG (AP) – For millions of seasonal allergy sufferers, the annual onset of watery eyes and scratchy throats is bumping up against the spread of the coronavirus. Forecasters are predicting a brutal spring allergy season for vast swaths of the United States at the same time that COVID-19 cases are rising dramatically. That’s causing angst for people who suffer from hay fever and are now asking themselves whether their symptoms are related to their allergies or the new coronavirus.