Effectiveness of international aid for diarrheal disease control and potential for future impact

The reduction in deaths from diarrheal diseases is one of the significant public health successes of the twentieth century. That said, the disease still accounts for a significant burden of childhood morbidity and mortality in low- and middle-income countries. Progress made in the past has, to a significant extent, been supported by a variety of both bilateral and multilateral donors aiming to make an impact in reducing this burden. We review the history of international aid in the context of disease control, and the variety of ways in which international aid has driven the international agenda, including a description of the activities of key players during this period, as well as the experiences of national control programmes. We conclude with a discussion of what is known to date about the effectiveness of international aid in supporting national control programmes, as well as some important areas of focus for future efforts. The control of diarrheal diseases remains an unfinished agenda in global health and international aid still stands to make an important impact in the burden

Ursinus College Bulletin, Winter 1981

Ursinus: Traditionally good sports • Athletics: Are they part of a liberal arts education? • Hall of Fame for Athletes • Ursinus women: They\u27re leading the field • Across the great divide: Comprehending the complexities of the NCAA • Homecoming I • Homecoming II • Businessmen\u27s special • The curtain goes up on the Ritter Center • Bearing good news • Beta signals • Can you manage? • Looking peaked • DuPont grant benefits Ursinus chemistry program • Speaking of... • News notes • Evening School • Marriages • Births • Deathshttps://digitalcommons.ursinus.edu/new_bulletin/1028/thumbnail.jp

Ursinus College Bulletin, Spring / Summer 1981

Commencement: A pivotal moment • Chemistry at Ursinus: The decade of the seventies • At last Ursinus was hooping it up • Alumni Weekend • Reunion photos • Graduation • All expenses plaid • Glassmoyer named Board president • Clouser selected as Danforth Associate • Faculty promotions • Kane named to new post • A new point of view • Healthy debate • Spring sports report • Admissions amendments • Read all about it • Election results • Soccer doc • Lindback winners • News notes • Births • Marriages • Deathshttps://digitalcommons.ursinus.edu/new_bulletin/1029/thumbnail.jp

Ursinus College Bulletin, Fall 1981

The more things change... • What are we doing here and how do we teach the students to do it, too? • Prescribing a path for the preprofessional • Robbing the cradle • To be or not to be: Is the supermom role for me? • New faculty appointments • Staff appointments • Ursinus begins 112th year • Watch for Winterfest! • Back to BASIC • Watts new • Go for Baroque • Kicking off a new league • Phi Psilebration • Looking for bookings • Sports scoreboard • Fall Forum program • ZXtra • News notes • Births • Marriages • Deaths • Round and round we go • Ellwood S. Paisley \u2713: The consummate Ursinus manhttps://digitalcommons.ursinus.edu/new_bulletin/1030/thumbnail.jp

Ursinus College Bulletin, Summer 1980

Fellow alumni: Advice to future ambassadors • For this P. R. man letting off steam is a really hot story • Making it in the long run • He\u27s not just a passing fancy: Or, how will Howard ever learn to say Ursinus • Filling the gap: Or, what I did on my summer vacation • East meets West at Ursinus College (and the Philadelphia area reads about an Ursinus cultural exchange program) • To the wall and back again: Ursinus\u27 elder statesman visits China • His career\u27s on the right track • New faculty appointments • Archivist needed • Kane named to post • Gifts to Ursinus College • Lost alumni: Reunion years 1981 • News notes • Evening School • Births • Marriages • Deathshttps://digitalcommons.ursinus.edu/new_bulletin/1027/thumbnail.jp

The process of setting micronutrient recommendations: a cross-European comparison of nutrition-related scientific advisory bodies

Copyright @ The Authors 2010Objective: To examine the workings of the nutrition-related scientific advisory bodies in Europe, paying particular attention to the internal and external contexts within which they operate. Design: Desk research based on two data collection strategies: a questionnaire completed by key informants in the field of micronutrient recommendations and a case study that focused on mandatory folic acid (FA) fortification. Setting: Questionnaire-based data were collected across thirty-five European countries. The FA fortification case study was conducted in the UK, Norway, Denmark, Germany, Spain, Czech Republic and Hungary. Results: Varied bodies are responsible for setting micronutrient recommendations, each with different statutory and legal models of operation. Transparency is highest where there are standing scientific advisory committees (SAC). Where the standing SAC is created, the range of expertise and the terms of reference for the SAC are determined by the government. Where there is no dedicated SAC, the impetus for the development of micronutrient recommendations and the associated policies comes from interested specialists in the area. This is typically linked with an ad hoc selection of a problem area to consider, lack of openness and transparency in the decisions and over-reliance on international recommendations. Conclusions: Even when there is consensus about the science behind micronutrient recommendations, there is a range of other influences that will affect decisions about the policy approaches to nutrition-related public health. This indicates the need to document the evidence that is drawn upon in the decisions about nutrition policy related to micronutrient intake.This work has been carried out within the EURRECA Network of Excellence (www.eurreca.org) which is financially supported by the Commission of the European Communities, specific Research, Technology and Development (RTD) Programme Quality of Life and Management of Living Resources, within the Sixth Framework Programme, contract no. 036196

Constraining dark energy with Sunyaev-Zel'dovich cluster surveys

We discuss the prospects of constraining the properties of a dark energy component, with particular reference to a time varying equation of state, using future cluster surveys selected by their Sunyaev-Zel'dovich effect. We compute the number of clusters expected for a given set of cosmological parameters and propogate the errors expected from a variety of surveys. In the short term they will constrain dark energy in conjunction with future observations of type Ia supernovae, but may in time do so in their own right.Comment: 5 pages, 3 figures, 1 table, version accepted for publication in PR

Impact of baryons on the cluster mass function and cosmological parameter determination

Recent results by the Planck collaboration have shown that cosmological parameters derived from the cosmic microwave background anisotropies and cluster number counts are in tension, with the latter preferring lower values of the matter density parameter, $\Omega_\mathrm{m}$, and power spectrum amplitude, $\sigma_8$. Motivated by this, we investigate the extent to which the tension may be ameliorated once the effect of baryonic depletion on the cluster mass function is taken into account. We use the large-volume Millennium Gas simulations in our study, including one where the gas is pre-heated at high redshift and one where the gas is heated by stars and active galactic nuclei (in the latter, the self-gravity of the baryons and radiative cooling are omitted). In both cases, the cluster baryon fractions are in reasonably good agreement with the data at low redshift, showing significant depletion of baryons with respect to the cosmic mean. As a result, it is found that the cluster abundance in these simulations is around 15 per cent lower than the commonly-adopted fit to dark matter simulations by Tinker et al (2008) for the mass range $10^{14}-10^{14.5}h^{-1} \mathrm{M}_\odot$. Ignoring this effect produces a significant artificial shift in cosmological parameters which can be expressed as $\Delta[\sigma_8(\Omega_\mathrm{m}/0.27)^{0.38}]\simeq -0.03$ at $z=0.17$ (the median redshift of the $\mathit{Planck}$ cluster sample) for the feedback model. While this shift is not sufficient to fully explain the $\mathit{Planck}$ discrepancy, it is clear that such an effect cannot be ignored in future precision measurements of cosmological parameters with clusters. Finally, we outline a simple, model-independent procedure that attempts to correct for the effect of baryonic depletion and show that it works if the baryon-dark matter back-reaction is negligible.Comment: 10 pages, 5 figures, Accepted by MNRA

The bright end of the z ~ 7 UV Luminosity Function from a wide and deep HAWK-I survey

(Abridged) We present here the second half of an ESO Large Programme, which exploits the unique combination of area and sensitivity provided in the near-IR by the camera Hawk-I at the VLT. We have obtained - 30 observing hours with Hawk-I in the Y-band of two high galactic latitude fields. We combined the Y-band data with deep J and K Hawk-I observations, and with FORS1/FORS2 U, B, V, R, I, and Z observations to select z-drop galaxies having Z - Y > 1, no optical detection and flat Y - J and Y - K colour terms. We detect 8 high-quality candidates in the magnitude range Y = 25.5 - 26.5 that we add to the z-drop candidates selected in two Hawk-I pointings over the GOODS-South field. We use this full sample of 15 objects found in -161 arcmin^2 of our survey to constrain the average physical properties and the evolution of the number density of z ~ 7 LBGs. A stacking analysis yields a best-fit SED with photometric redshift z= 6.85 +0.20 -0.15 and an E(B-V)=0.05 +0.15 -0.05. We compute a binned estimate of the z ~ 7 LF and explore the effects of photometric scatter and model uncertainties on the statistical constraints. After accounting for the expected incompleteness through MonteCarlo simulations, we strengthen our previous finding that a Schechter luminosity function constant from z=6 to z=7 is ruled out at a >99% confidence level, even including the effects of cosmic variance. For galaxies brighter than M_1500= -19.0, we derive a luminosity density rho_UV = 1.5^{+2.1}{-0.8} x 10^25 erg/s/Hz/Mpc^3, implying a decrease by a factor 3.5 from z=6 to z=6.8. We find that, under standard assumptions, the emission rate of ionizing photons coming from UV bright galaxies is lower by at least a factor of two than the value required for reionization. Finally, we exploit deep Hawk-I J and K band observations to derive an upper limit on the number density of M1500<~ -22.0 LBGs at z-8 (Y-dropouts).Comment: 12 pages, 8 figures. Accepted for publication in Astronomy & Astrophysic

A mass-loss rate determination for zeta Puppis from the quantitative analysis of X-ray emission line profiles

We fit every emission line in the high-resolution Chandra grating spectrum of zeta Pup with an empirical line profile model that accounts for the effects of Doppler broadening and attenuation by the bulk wind. For each of sixteen lines or line complexes that can be reliably measured, we determine a best-fitting fiducial optical depth, tau_* = kappa*Mdot/4{pi}R_{\ast}v_{\infty}, and place confidence limits on this parameter. These sixteen lines include seven that have not previously been reported on in the literature. The extended wavelength range of these lines allows us to infer, for the first time, a clear increase in tau_* with line wavelength, as expected from the wavelength increase of bound-free absorption opacity. The small overall values of tau_*, reflected in the rather modest asymmetry in the line profiles, can moreover all be fit simultaneously by simply assuming a moderate mass-loss rate of 3.5 \pm 0.3 \times 10^{-6} Msun/yr, without any need to invoke porosity effects in the wind. The quoted uncertainty is statistical, but the largest source of uncertainty in the derived mass-loss rate is due to the uncertainty in the elemental abundances of zeta Pup, which affects the continuum opacity of the wind, and which we estimate to be a factor of two. Even so, the mass-loss rate we find is significantly below the most recent smooth-wind H-alpha mass-loss rate determinations for zeta Pup, but is in line with newer determinations that account for small-scale wind clumping. If zeta Pup is representative of other massive stars, these results will have important implications for stellar and galactic evolution.Comment: Accepted for publication in the Monthly Notices of the Royal Astronomical Society. 17 pages, including 14 figures (7 color