- The patient lives with her husband and son, and has no family history of similar illness. She and her family are otherwise enjoying good health. - She eats a typical non-vegetarian Assamese diet and occasionally chews betel nut, but does not smoke or drink alcohol. - She lives in a rented house without a separate kitchen, uses LPG for cooking, boiled water, and a sanitary latrine. She has no significant drug or allergy history and received two doses of the Covishield vaccine.