The Indonesia Ministry of Health said that as of June 19, 2025, there were 8 cases of the Hantavirus type Hemorrhagic Fever with Renal Syndrome (HFRS) found in 4 provinces, and all have recovered.
The Head of the Ministry of Health's Communication and Public Information Bureau, Aji Muhawarman, said the four provinces were Yogyakarta, West Java, East Nusa Tenggara, and North Sulawesi.
"Epidemiological investigations and vector control have been carried out by the Ministry of Health, Jakarta Labkesmas, West Java Provincial Health Office, KBB Health Office, Ngamprah Health Center, Bojongkoneng Village Apparatus," said Aji.
He explained that in Indonesia, so far only HFRS manifestations have been found.
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The US Centers for Disease Control and Prevention (CDC) says of Hemorrhagic Fever with Renal Syndrome (HFRS):
HFRS is a severe and sometimes deadly disease that affects the kidneys. Symptoms of HFRS usually develop within 1 to 2 weeks after exposure. In rare cases, they may take up to 8 weeks to develop. Initial symptoms begin suddenly and include:
intense headaches
back and abdominal pain
fever/chills
nausea
blurred vision
People may have flushing of the face, inflammation or redness of the eyes, or a rash. Later symptoms can include:
low blood pressure
lack of blood flow (acute shock)
internal bleeding (vascular leakage)
acute kidney failure, which can cause severe fluid overload
The severity of the disease varies depending on the virus causing the infection. Hantaan and Dobrava virus infections usually cause severe symptoms where 5-15% of cases are fatal. In contrast, Seoul, Saaremaa, and Puumala virus infections are usually more moderate with less than 1% dying from the disease. Complete recovery can take several weeks to months.