A reservoir host can harbour a pathogen indefinitely with no ill effects, with important implications for disease control. A single reservoir host may be reinfected several times. A host of predilection is the one preferred by a parasite. An amplifying host is one in which the level of pathogen can become high enough that a vector such as a mosquito that feeds on it will probably become infectious.
Trends in the rates of treatment for ADHD were presented by age, gender, race, family income, and health insurance status. Trends in ADHD treatment were also determined by annual numbers of visits, use of pharmacotherapies, and types of health care professionals. RESULTS: The rate of outpatient treatment for ADHD increased from 0.9 per 100 children in 1987 to 3.4 per 100 children in 1997.
Ritalin is a brand name of methyphenidate, the most commonly prescribed medication for ADHD. Although technically not an amphetamine, methylphenidate is a stimulant.italin has been approved for use in patients age 6 years and older for the treatment of ADHD. In some cases, it may be prescribed for children younger than age 6 who are diagnosed with attention deficit hyperactivity disorder.