Solar diameter observations at Observatório Nacional in 1997-1998

Influenza in Canada--1997-1998 season.

The Laboratory Centre for Disease Control (LCDC) maintains a national influenza surveillance program, FluWatch. The objective of FluWatch is to provide a national picture of influenza activity. This program has elements which include: 1) laboratorybased influenza virus identification; 2) reporting by laboratories, and provincial and territorial epidemiologists who collaborate by exchanging info...

Solar coronal observations at high frequencies

The Solar Eclipse Coronal Imaging System (SECIS) is a simple and extremely fast, high-resolution imaging instrument designed for studies of the solar corona. Light from the corona (during, for example, a total solar eclipse) is reflected off a heliostat and passes via a Schmidt-Cassegrain telescope and beam splitter to two CCD cameras capable of imaging at 60 frames a second. The cameras are at...

CSC Report on Scientific Computing 1997 – 1998

5 Preface The Center for Scientific Computing (CSC) exists to help Finnish scientists and engineers in their research. We provide cross-disciplinary expertise, computational resources and fast network connections. We also organize courses and publish textbooks on scientific computing. The organization known today as CSC has existed for more than 25 years. Currently over 70 experts on science, e...

Seismology of solar spicules based on Hinode/SOT observations

Epidemiology of bacterial meningitis among children in Brazil, 1997-1998.

OBJECTIVE To document the incidence and the descriptive epidemiology of bacterial meningitis among individuals under age 20 in a geographically defined region in Brazil during the two-year period immediately preceding the introduction of Haemophilus influenzae type b (Hib) vaccines into the national immunization program of Brazil. METHODS Population-based epidemiological study of all cases of...