Nigeria, Oct. 30 -- All 154 students who fell ill after receiving medication at Government Science Secondary School (Boarding), Batagarawa, Katsina State, have been discharged from hospital, police said.

No deaths were recorded, but the cause of the incident has yet to be publicly established.

The students developed symptoms after receiving praziquantel tablets during a bilharzia treatment exercise on Monday, 26 October.

In a statement dated Wednesday, 28 October, Katsina State Police Command spokesperson, Abubakar Aliyu, said the remaining 25 students receiving medical care had recovered and been discharged.

"For the avoidance of doubt, all one hundred and fifty-four (154) students who exhibited symptoms of adverse drug reaction foll...