Causing Agent: Scrub typhus is caused by the bacterium Orientia tsutsugamushi. It belongs to a group of bacteria known as rickettsiae.

Transmission: The primary mode of transmission to humans is through the bite of infected chiggers, which are tiny mites found in vegetation,

tall grasses, and scrubby areas. When infected mites feed on a human host, they can transmit the bacterium.

Geographic Distribution: Scrub typhus is most commonly found in rural areas of Asia, including countries like

India, China, Japan, South Korea, and Thailand. It's also reported in parts of the Middle East and the Pacific Islands.

 Symptoms: The symptoms of scrub typhus typically appear about 6 to 20 days after exposure. Common symptoms include high fever, chills, headache, muscle aches, fatigue, and

a characteristic dark, scaly rash that often begins on the torso and spreads to other parts of the body.

Complications: Without prompt treatment, scrub typhus can lead to severe complications, including pneumonia,

acute respiratory distress syndrome (ARDS), organ failure, and central nervous system involvement.

Diagnosis: Diagnosis is usually based on clinical symptoms and confirmed through laboratory tests, including blood tests to detect antibodies against Orientia tsutsugamushi.

Treatment: Scrub typhus is treatable with antibiotics, most commonly doxycycline or azithromycin. Early diagnosis and treatment are crucial to prevent severe complications.