You can feel it—autumn is here. Halloween is behind us, we have switched the clocks back from daylight savings time, and the air is getting chillier. With this seasonal shift, many of us are already dealing with more colds and other viruses. And even though we grown-ups may be thoroughly washing our hands for at least 20 seconds and avoiding touching our faces, others (including our children) are still learning to do those things consistently. The bottom line is this: we’re all around germs every day and nobody wants to get sick. So what are our best defenses? And how do we boost our immunity? Read on! We have answers.