Seasonal respiratory syncytial virus prophylaxis based on predetermined dates versus regional surveillance data.

Background: In Ontario, Canada, the respiratory syncytial virus (RSV) prophylaxis period onset is defined by a fixed-date set provincially each year and offset by local hospital RSV admission activity. Inaccurate timing can result in inadequate or more costly prophylaxis.

Methods: RSV positivity (2002/03 to 2010/11) was obtained from a local database.

Tuberculosis prevention and treatment.

Tuberculosis (TB) is one of the oldest known diseases and has claimed more lives than any other Today, about one-third of the world's population is infected with TB. In 2003, 1,379 cases of new, active and relapsed TB were reported in Canada. TB is caused by Mycobacterium tuberculosis.