Each year, between 5% and 20% of Americans get the flu and miss a staggering 70 million work days as a result. The indirect costs? Between $3 billion to $12 billion a year.
Both the flu shot and the nasal flu vaccine work really well to keep you from getting ill. But they aren’t 100% effective. You can still get sick even if you get vaccinated, although it's usually less severe and goes away more quickly.
Finding a cure for the common cold has proved harder than paddling across the Pacific in a rowboat. Experts say that's because colds can be caused by more than 200 different viruses.
There may be no sure way to stop one in its tracks, but some things may work better than others to make you feel better.