BANGKOK, Thailand – Health authorities have reported 49 cases of Streptococcus suis infection, commonly known as “deafness fever,” between January 1 and February 10, with three related fatalities. The infections were recorded in 28 provinces, with Nakhon Ratchasima reporting the highest number of cases, followed by Phrae, Chonburi, Chaiyaphum, and Surin, according to the Department of Disease Control.
According to Deputy Government Spokesperson Airin Phanrit, patients ranged in age from 5 to 90, with men accounting for more cases than women. The majority of infections were found among older adults and working-age individuals. People aged 60 and older recorded the highest number of cases, followed by those in the 50–59 and 40–49 age groups.
Health officials said the primary risk factor is consuming raw or undercooked pork or pig’s blood, including traditional dishes such as larb and koi. Drinking alcohol alongside raw pork consumption further increases the risk. Occupational exposure is another concern, especially for those who handle or slaughter pigs without protective equipment while having cuts or open wounds.
Individuals at higher risk of severe illness or death include older adults and people with underlying conditions such as liver cirrhosis, diabetes, kidney failure, cancer, or a history of spleen removal. Authorities are urging the public to avoid raw pork, refrain from eating meat from sick animals, and purchase pork only from certified sources.
Workers who come into contact with pigs are advised to wear protective gear such as gloves and boots, avoid handling animals if they have open wounds, and wash thoroughly after contact. Farmers are also encouraged to follow veterinary guidance on farm hygiene and disease control to reduce the risk of further infections. (NNT)
