This paper provides the first evidence of geographic concentration of foreign visitors in Japan, using a new data on nights spent by foreign visitors in each region. Using locational Gini coefficients, I show that foreign visitors are more geographically concentrated than Japanese visitors and the level of geographical concentration vary across source countries. In addition, I employ gravity eq...

BACKGROUND Among approximately 163.5 million foreign-born persons admitted to the United States annually, only 500,000 immigrants and refugees are required to undergo overseas tuberculosis (TB) screening. It is unclear what extent of the unscreened nonimmigrant visitors contributes to the burden of foreign-born TB in the United States. METHODOLOGY/PRINCIPAL FINDINGS We defined foreign-born pe...

s of diary for 1975 86 Foreign visitors in 1975 . . . . . . . . . . . . . . . . . . . . . . . . . . 87

BACKGROUND This year, Brazil will host about 600,000 foreign visitors during the 2014 FIFA World Cup. The concern of possible dengue transmission during this event has been raised given the high transmission rates reported in the past by this country. METHODOLOGY/PRINCIPAL FINDINGS We used dengue incidence rates reported by each host city during previous years (2001-2013) to estimate the risk...