Kathmandu, Nov. 17 -- The Kathmandu Metropolitan City (KMC) has started administering the pneumonia vaccine to elderly residents with underlying conditions, who face heightened risk of lung infection in winter.

Officials at the Health Department under the city office said that 1,900 people have already been inoculated and an additional 3,500 will be administered with the vaccine in the coming days.

"We have been administering pneumonia vaccines to elderly people above 75 years of age," said Deepak Kumar KC, chief of the department. "Those above 75 with underlying conditions like cancer, and renal disease, among others, are highly vulnerable to severe pneumonia during the winter season."

Pneumonia, an infection of the lungs caused by va...