Sinusitis is an inflammation of the sinuses. It is often caused by bacterial (germ) infection. Sometimes, viruses and fungi (molds) cause it. People with weak immune systems are more likely to develop bacterial or fungal sinus infection. Some people with allergies can have allergic fungal sinus infection. Acute sinus infection lasts three to eight weeks. A sinus infection lasting longer than eight weeks is considered chronic.
Define Upper stage. Upper stage synonyms, Upper stage pronunciation, Upper stage translation, English dictionary definition of Upper stage. n. A rocket composed of two or more propulsion units that fire in succession. Also called step rocket . Noun 1. multistage rocket - a rocket having two or...
Early childhood education (ECE) programs include any type of educational program that serves children in the preschool years and is designed to improve later school performance.any early childhood education programs operate under the auspices of Title I of the Elementary and Secondary Education Act. Under Title I, local educational agencies apply to state agencies for approval of their program, and when approved, the programs are then funded with federal money.