Select the correct answer from each drop-down menu. Complete this paragraph by selecting the most relevant and trustworthy sources.
Despite what you may think, it's not impossible to avoid getting sick during cold and flu season. According to
you can take several steps to keep those germs away. The most effective
prevention also happens to be the simplest, says
7. He says that washing your hands
frequently is absolutely the best way to avoid cold and flu viruses.