Nepal, Dec. 22 -- Immunisation workers, who visited some renowned private schools for the human papillomavirus (HPV) drive in February initially struggled to gain entry.

Once inside, when they requested permission to administer the vaccine to eligible students, teachers objected, saying the children cannot be vaccinated without consent of parents.

After hours of discussion, the school administration agreed to collect the consent of parents, but not all parents allowed their children to be vaccinated.

"Parents of some children inquired with their family doctors, who asked them to take vaccines offered free of cost in the drive," said Satish Bista, a senior public health administrator at the Public Health Office Kathmandu. "The HPV vacci...