Somsri Wiwanitkit and Viroj Wiwanitkit
New emerging viral disease is usually a problematic scenario in public health. There are several new emerging viral diseases in the present day. Those diseases can be the possible cause of worldwide pandemic and the surveillance is needed. Here, the authors briefly summarize and discuss on some new emerging viral diseases in South America and East Africa (Itaya, Iquitos, Ngari and Ilesha viruses).