The distribution of the species Xenogenus Berg in Chile is addressed. known gracilis (Reed), previously restricted to O’Higgins region (besides Argentina, Bolivia, Brazil and Peru), expanded up Tarapacá Los Ríos regions. picturatum (previously from Cuba, Mexico, Nicaragua, Uruguay USA including Puerto Rico) recorded for first time Chile, Metropolitan Maule regions

OBJECTIVE Evaluating the association between TB and AIDS and estimating the determinant effects and factors for TB incidence rates in Brazilian metropolitan regions from 2001 to 2003. METHODS A Poisson longitudinal multilevel model was fitted to the annual TB case number by municipality and year, including the population as an offset variable, and AIDS incidence by metropolitan region, percen...