the authors, Otavio Oliva, PAHO advisor on viral diseases; Jos?? Luis San Mart??n, PAHO advisor on dengue; and Roger S. Nasci, chief of the Arboviral Diseases Branch at CDC. ???Chikungunya-infected travelers continue to bring the virus to the Americas, including the United States,??? said Nasci. ???These guidelines provide the information needed to develop a comprehensive regional plan for rapidl