 መጀመሪያ ጥር ውስጥ እውቅና መጣ ጀምሮ, በሽታው እስያ ብዙ እና በተቀረው ዓለም ላይ ቢሰፋ, እንደ ጃፓን እንደ ተጽዕኖ አገሮች, ደቡብ ኮሪያ, ጣሊያን, አሜሪካ, እና ኢራን.
Since it first came to recognition in January, the disease has spread across much of Asia and the rest of the world, affecting countries such as Japan, South Korea, Italy, the United States, and Iran.