User profiles for "author:Velma Lopez"
Velma K LopezCenters for Disease Control and Prevention Verified email at cdc.gov Cited by 660 |
Evaluation of individual and ensemble probabilistic forecasts of COVID-19 mortality in the United States
Short-term probabilistic forecasts of the trajectory of the COVID-19 pandemic in the United
States have served as a visible and important communication channel between the scientific …
States have served as a visible and important communication channel between the scientific …
Ensemble forecasts of coronavirus disease 2019 (COVID-19) in the US
Background The COVID-19 pandemic has driven demand for forecasts to guide policy and
planning. Previous research has suggested that combining forecasts from multiple models …
planning. Previous research has suggested that combining forecasts from multiple models …
Evaluation of individual and ensemble probabilistic forecasts of COVID-19 mortality in the US
Short-term probabilistic forecasts of the trajectory of the COVID-19 pandemic in the United
States have served as a visible and important communication channel between the scientific …
States have served as a visible and important communication channel between the scientific …
The burden of anaemia among displaced women and children in refugee settings worldwide, 2013–2016
Introduction Displaced persons have a unique risk for developing anaemia due to often
limited diets, overcrowding, new infections and inadequate sanitation and hygiene. The lack …
limited diets, overcrowding, new infections and inadequate sanitation and hygiene. The lack …
[HTML][HTML] Determinants of latrine use behavior: the psychosocial proxies of individual-level defecation practices in rural coastal Ecuador
VK Lopez, VJ Berrocal, BC Angulo… - The American journal …, 2019 - ncbi.nlm.nih.gov
There is increasing appreciation that latrine access does not imply use—many individuals
who own latrines do not consistently use them. Little is known, however, about the …
who own latrines do not consistently use them. Little is known, however, about the …
Breastfeeding support in low and middle-income countries: Secondary analysis of national survey data
Background Early initiation of breastfeeding and exclusive breastfeeding can reduce infant
mortality. Breastfeeding support interventions such as counselling may improve adherence …
mortality. Breastfeeding support interventions such as counselling may improve adherence …
[HTML][HTML] Distribution of enteroinvasive and enterotoxigenic Escherichia coli across space and time in northwestern Ecuador
D Bhavnani, R de los Ángeles Bayas… - The American Journal …, 2016 - ncbi.nlm.nih.gov
Although Escherichia coli infections are common throughout the developing world, their
prevalence patterns in space and over time are not well characterized. We used serial case …
prevalence patterns in space and over time are not well characterized. We used serial case …
Challenges of COVID-19 Case Forecasting in the US, 2020-2021
During the COVID-19 pandemic, forecasting COVID-19 trends to support planning and
response was a priority for scientists and decision makers alike. In the United States, COVID …
response was a priority for scientists and decision makers alike. In the United States, COVID …
[HTML][HTML] Shading in TXRF: calculations and experimental validation using a color X-ray camera
Absorption effects in total reflection X-ray fluorescence (TXRF) analysis are important to
consider, especially if external calibration is to be applied. With a color X-ray camera (CXC) …
consider, especially if external calibration is to be applied. With a color X-ray camera (CXC) …
Observation of X-ray shadings in synchrotron radiation-total reflection X-ray fluorescence using a color X-ray camera
UEA Fittschen, M Menzel, O Scharf, M Radtke… - … Acta Part B: Atomic …, 2014 - Elsevier
Absorption effects and the impact of specimen shape on TXRF analysis has been discussed
intensively. Model calculations indicated that ring shaped specimens should give better …
intensively. Model calculations indicated that ring shaped specimens should give better …