Frequent hand washing is the single best thing people can do to avoid getting sick, from colds and the flu to germs lurking in food, doctors say.
Frequent hand washing is the single best thing people can do to avoid getting sick, from colds and the flu to germs lurking in food, doctors say.
医生建议，勤洗手是预防生病的最好办法，比如，可以防止伤风感冒以及远离食物内潜伏的细菌等。