Asymptomatic infections are also called subclinical infections. Genetic testing is available for symptomatic individuals and asymptomatic relatives. The degree to which malabsorption occurs in symptomatic and asymptomatic cases is highly varied. For a complete list of asymptomatic infections see subclinical infection. Estimates of the ratio of asymptomatic to symptomatic infections have ranged from 3 to 100. Usually no treatment is indicated for clinically asymptomatic cervical ectropions. Hyperthyroidism may be asymptomatic or present with significant symptoms. Fever subsequently developed in three asymptomatic patients. Its infection is relatively harmless and clinically asymptomatic. The effects of flat feet fall under two categories, which are asymptomatic and symptomatic. Treatment is not necessary in asymptomatic patients. These abnormalities are not likely to affect function and are generally asymptomatic. Concurrent infection with HIV increases the frequency and duration of asymptomatic shedding. Benign lesions tend to be painless, asymptomatic and slow-growing. There have been cases where asymptomatic patients transmitted the virus to others.