New Delhi, Oct. 4 -- In a major development concerning the recent child deaths in Madhya Pradesh, a multi-disciplinary investigation led by the Union ministry of health and family welfare has concluded that cough syrup samples tested show no presence of toxic contaminants, the government announced on Friday.

According to reports, nine children died in Madhya Pradesh's Chhindwara district, and two more died in Rajasthan, bringing the total number of deaths in the two states to 11. Over 30 children in Madhya Pradesh reportedly fell ill.

Meanwhile, the government has issued a nationwide advisory on the rational use of cough syrups for children, stating that cough and cold medication is not recommended for children under the age of two.

Wh...