A three-year-old boy admitted to a hospital in Chhattisgarh's Bilaspur city has been diagnosed with the human metapneumovirus (HMPV), marking the state's first such infection, health officials said on Friday.

The boy, who hails from the neighbouring Korba district, was admitted to a private hospital here for a cold and cough on January 27, Chief Medical and Health Officer of Bilaspur Dr Pramod Tiwari said.