The Covid-19 pandemic has highlighted the value of strong surveillance systems in
supporting our abilities to respond rapidly and effectively in mitigating the impacts of …

Social distancing has been widely-implemented as a public health measure during the
COVID-19 pandemic. Despite widespread application of social distancing guidance, the …

This paper presents a new framework for producing monthly population maps at the census
block level, which are crucial for population-related research and emergency response …

There are now an estimated 114 million forcibly displaced people worldwide, some 88% of
whom are in low-and middle-income countries. For governments and international …

Many geospatial analyses require flexible aggregation of adjacent units to meet a minimum
target area or attribute value. This is usually accomplished using several non-automated …

Background While the effect of gatekeeping was extensively studied, few efforts have been
made to explain why the measures to strengthen gatekeeping do not work well in some …

Many measles endemic countries with suboptimal coverage levels still rely on vaccination
campaigns to fill immunity gaps and boost control efforts. Depending on local …

Reliable population statistics are indispensable for many crucial areas of public policy and
planning worldwide. The world these statistics measure is changing rapidly, with population …

In most developing countries, the dissemination of information about climate change has
largely been done by government agencies through mass media. This study examined the …