When we are around somebody that's sick, or my son seems to be getting something, or when everybody else seems to have something, I give him chewable Echinacea with Vitamin C (for kids) in addition to his daily vitamins. You can only take herbs every once in a while or they become ineffective. So, I like to only use them when I think it's necessary. Otherwise, I just give him extra Vitamin C. "Orange Juice Jr.s" chewables by Nature's Plus taste really good. I pop one in my mouth sometimes when I'm giving him his vitamins. For myself and my husband, I swear by Wellness Formula by Source Naturals. As soon as I start to feel anything coming on, I start taking some. It usually either helps you fight it off before you get any symptoms or you fight it for a few days with mild symptoms. It's very effective. Anything natural that helps me not get sick or fight it off faster is my friend, even if it's not cheap. Any of these vitamins can be found at a vitamin or health food store. If you can fend off sickness naturally, hopefully you won't need any medication. I also suggest good hand-washing habits to keep the germs at bay, especially during the cold and flu seasons. Hope you have a happy, healthy winter and Christmas.