Stehr-Green et al. have misrepresented my work and confused the debate over autism and mercury exposure with ecologic data from Sweden and Denmark. Their report has many flaws. Four stand out. Their description of the California data promotes complacency regarding autism rates. For an Institute of Medicine (IOM) review, I presented an ecologic analysis of autism rates and mercury exposure demon...

Ecologic and economic factors, as well as changes in human behavior, have resulted in the emergence of new and the reemergence of existing but forgotten infectious diseases during the past 20 years. Flea-borne disease organisms (e.g., Yersinia pestis, Rickettsia typhi, R. felis, and Bartonella henselae) are widely distributed throughout the world in endemic-disease foci, where components of the...

32 SUMMARY A few arboviruses and related viroses have genotypic and phenotypic corollaries in both subtropical south Florida and tropical Brazil. Their occurrences in these areas may be due to intercontinental movement by viremic birds, to commerce, to convergent evolutionary pressures brought to bear by similar ecologic circumstances ar, most likely, to divergent virus evolution indivergently ...