You have likely incorporated at least a few immune-boosting foods into your diet in the last few months since COVID-19 started sweeping the globe. However, with winter fast-approaching, there is no time like the present to throw everything you can into keeping your immune system in fighting form. Not just because of the coronavirus, but because of the winter cold and flu season, which is still a genuine and viable threat. Here are the top 7 foods to include in your diet today to build your winter immunity and keep the sniffles at bay.