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Scrub Typhus

Science & Tech.17 Sep 2023| A-AA+

In News

  • Odisha is reeling from two disease outbreaks --Scrub Typhus and Leptospirosis--which have killed six people in the state so far.
Scrub Typhus
  • It is caused by a zoonotic rickettsial bacterium called Orientia tsutsugamushi, which is transmitted to humans through the bites of infected chiggers (larval mites).
  • Mites carrying the disease are generally found in the bush, jungle and paddy areas, so the disease is also called jungle or bush typhus.
  • The symptoms of scrub typhus commonly include fever, headache, body ache and sometimes a rash.
  • The chiggers that transmit the disease generally live in low temperature and high humidity conditions.
  • A 2022 study looked into clustering of scrub typhus cases in South India, found temperature, humidity and rainfall had a major role in the incidence of scrub typhus.
  • A 2017 study looking into scrub typhus cases in China also found that a 1°C increase in mean temperature was associated with a 3.8% increase in the odds of scrub typhus cases during the same week.
Source- Live mint