Lai is interested in understanding the transmission dynamics and intervention effectiveness for infectious diseases; Quantifying seasonal human mobility, social connectivity and migration using novel data sources, e.g. mobile phone data; Investigating spatiotemporal interactions between human behaviour, environmental change and infectious disease dynamics.
Developing approaches to map population distributions, demographics and dynamics through complementing traditional datasources (census, survey, registries) with new forms of geospatial data from e.g. satellite imagery and mobile devices.
Understanding the drivers of small area heterogeneities in population health and development in low and middle income settings.