• Cover your pillows and mattresses with special zippered covers that keep dust mites away

• Use washable blanket instead of a comforter

• Use washable, vinyl or roll-type window covers

• Use washable rugs instead of carpets

• Vacuum floor and mattress weekly using a vacuum cleaner that has a ''HEPA filter'' (HEPA filter: High efficiency particulate air filter)

• Every week, wash the following in hot water with detergent or dry them in an electric dryer:

• If possible remove soft toys, clutter and fabric-covered furniture

• Every 4 weeks, dilute 30 ml bleach in 1 liter of water, clean the sinks, tubs, surfaces with visible mold

• Avoid using strongly scented aerosol air fresheners

• Well-ventilate cooking areas

• Kill cockroaches by using multiple baited traps or poison

• Remove cockroach debris quickly

• Remove garbage and food waste promptly

• Wash dishes and cooking utensils immediately after use

• Keep kitchen sink and drains dry. Mend leaking faucets or drains

• Air the room well if you have new furniture or carpet

• If air pollution is bad, keep windows and doors closed

• Reduce moisture in the air to less than 50%. Avoid using a humidifier

• Keep your home smoke-free

If you can,

• Keep all animals outside of the house

• After that, clean your home thoroughly

If you cannot remove your pets,

• Use an air filter with a ''HEPA filter''

• Reduce clutter in your home where allergens can build up (especially carpets, fabric-covers, etc.)

• Vacuum floor with a vacuum cleaner that has a ''HEPA filter'' weekly

• If you have a dog, bathe your dog 2 times a week