COVID-19, caused by SARS-Cov-2, was declared to be a pandemic by the World Health Organization on 11 March 2020. Since then, the issue of the relationship between patent protection and the development of and access to medical treatments and technologies - a longstanding and enduringly important...

This paper investigates what explains the variation in impacts of COVID-19 across Brazilian cities. I assemble data from over 2,500 cities on COVID-19 cases and deaths, population mobility, and local policy responses. I study how these outcomes correlate with pre-pandemic local characteristics,...

Developing countries will face more complex challenges as infectious disease patterns transform due to climate change and climate variability. These challenges include how to reduce the incidence of malaria (including the significant challenge of resistant malaria), dengue, and other...