Of the four deaths since May, Meera Devi died on May 24, before her Rajgarh-resident Manju Devi (22) died, Chatarpura-resident Manju (32) died in July and 6-year-old Ankita, a resident of Malakhera, died on July 30.
Out of all the people tested, 31 were confirmed positive who are now undergoing treatment at Sawai Mansingh hospital here, the hospital's additional superintendent Ajit Singh Shekhawat and Chief Medical and Health Officer, Alwar, Hansraj Meena said.
Director of Medical, Health and Family Welfare Department, B R Meena said a team of two officers from the department has been sent to Alwar district for investigating the reasons behind spreading of the disease.
Scrub Typhus is caused by the bite of mites and rats in agricultural fields. The symptoms include severe headache, high fever and rashes, similar to that in dengue and malaria.