This chapter provides detail description of Emerging infectious diseases. Chapter has 6 well illustrated diagrams and pictures. Infectious diseases, Chikungunya, cutaneous manifestations of chikungunya, dengue, WHO grading of dengue haemorrhagic fever (DHF), cutaneous lesions in dengue, human parvovirus B19, papular purpuric gloves and socks syndrome (PPGSS), cutaneous anthrax, staphylococcal infections, community associated methicillin resistant staphylococcus aureus infection (CA-MRSA) are described in detail. 6 tables are included to highlight emerging infectious dermatoses, causes of re-emergence, cutaneous lesions in Chikungunya and dengue, WHO grading of DHF and clinical presentation of human parvovirus B19 infection. 32 references are included at the end of the chapter to facilitate further reading.