African swine fever spread in China

African swine fever (ASF), caused by ASF virus (ASFV), is one of the most serious infectious diseases affecting pigs. In 1921, ASFV was first discovered in Kenya, Eastern Africa.1 In the 1950s, it rapidly spread across Europe including Spain, Portugal, Italy and France. But in the mid-1990s, ASFV was eradicated from Europe, with the exception of Sardinia. However, it was introduced into Georgia in 2007, and then spread through Eastern Europe, including Russia, Belarus, Ukraine, Estonia, Lithuania, Latvia, Romania, Moldova, Czech …