Oct 6: The effectiveness of the Pfizer Inc (PFE.N)/BioNTech SE vaccine in preventing infection by the coronavirus dropped to 47% from 88% six months after the second dose, according to data published on Monday that U.S. health agencies considered when deciding on the need for booster shots.
LONDON, May 23: A double dose of COVID-19 vaccines is almost as effective against the fast-spreading variant of the coronavirus first identified in India as it is against Britain’s dominant strain, English health officials said on Saturday.
BEIJING, April 11: In a rare admission of the weakness of Chinese coronavirus vaccines, the country’s top disease control official says their effectiveness is low and the government is considering mixing them to give them a boost.
USA, March 25: AstraZeneca insisted Wednesday that its COVID-19 vaccine is strongly effective even after counting additional illnesses in its disputed U.S. study, the latest in an extraordinary public rift with American officials.
LONDON, Dec 28: The head of drugmaker AstraZeneca, which is developing a coronavirus vaccine widely expected to be approved by U.K. authorities this week, said Sunday that researchers believe the shot will be effective against a new variant of the virus driving a rapid surge in infections in Britain.
TAIPEI, Taiwan, Dec 25: With rich countries snapping up supplies of COVID-19 vaccines, some parts of the world may have to rely on Chinese-developed shots to try to conquer the outbreak. The question: Will they work?
KATHMANDU, July 6: Taking a leadership role in ensuring the effectiveness of the foreign aid which reaches the underdeveloped countries, Nepal is co-hosting a side event ahead of the Senior Level Meeting (SLM) of Global Partnership for Effective Development Cooperation (GPEDC) in New York.
KATHMANDU, Oct 24: A majority government seems well within the reach of the newly-formed left alliance. It is something even the staunchest Nepali Congress supporter can't easily rule out, given the strong performance of the left parties in the recently held local polls.