LONDON, August 1: The protection that vaccines give against coronavirus infection, and potentially severe disease, is highly likely to wane over time so vaccine campaigns will continue for years to come, scientists told the British government's advisory group.

KATHMANDU, Oct, 8: Nepal is gradually becoming self-sufficient in flowers. According to Dilip Bade, senior vice president of Floriculture Association of Nepal (FAN), import of flowers is falling in recent years, thanks to rising in flower production.

ITAHARI, Jan 25: The number of the migratory birds flocking to Koshi Tappu Wildlife Reserve (KTWR) and its surrounding wetlands is decreasing for some years owing to various reasons, according to the reserve office. Migratory birds from Siberia and South Asia as Pakistan and Sri Lanka and South East Asian countries come to the reserve during the winter.