Ha Tinh province in Vietnam has successfully controlled an outbreak of dermatomyositis in buffaloes and cows, a disease that had affected a significant number of animals, leading to losses for farmers. This was achieved through collaboration between various levels of government, industry, and breeders. The province has vaccinated 100% of the herd, and no new outbreaks have been reported. However, due to seasonal changes and abnormal weather, there is a high risk of further outbreaks, and localities are encouraged to continue implementing preventive measures.