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• Arboviruses: Chikungunya virus
• Other viral diseases: Measles; Rubella and other viral exanthems; Epstein-Barr Virus (EBV); Enteroviruses; Influenza; Hepatitis A; Hantavirus.
• Bacterial diseases: Meningococcemia, Leptospirosis, Enteric fever, Melioidosis, Rickettsia diseases, Scarlet fever, Sepsis.
• Parasitic diseases: Malaria.
While fever, arthralgia, rash, malaise and leukopenia are common in both Chikungunya and dengue, symmetric arthritis of small joints is pathognomonic of the former. A bleeding tendency and pronounced thrombocytopenia are more frequent in dengue.
Table 2 : Difference between Dengue & Chikungunya
