Tree pollen only accounts for about 15% of seasonal allergies, but for those who suffer from tree pollen allergy finding ways to treat or avoid an allergic reaction can be very important.

Many people suffer from seasonal allergies, sometimes known as hay fever, there are a few things that can be done to minimize exposure to these allergens including strategies of avoidance and appropriate cleaning and filtration techniques.

According to the CDC and the American Embassy the fear of exposure to bird flu while traveling in China should be less of a concern than the country's air quality.