If Yellow Fever is suspected, it is best to consult an Infectious Disease specialist or a tropical medicine expert. These doctors have expertise in diagnosing and treating infections caused by viruses, bacteria, and parasites, including those that are more common in tropical and subtropical regions. While a general physician can provide initial care and refer to a specialist, infectious disease doctors are trained to handle diseases like Yellow Fever, which require specific diagnostic tests and knowledge of appropriate management strategies. Tropical medicine experts focus on diseases that are prevalent in tropical and subtropical climates, making them well-equipped to recognize and treat Yellow Fever, especially in travelers who may have been exposed in endemic areas.