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33,099 articles from Guardian Unlimited Science

Oxford Malaria vaccine proves highly effective in Burkina Faso trial

Vaccine developed by scientists at Jenner Institute, Oxford, shows up to 77% efficacy in trial over 12 monthsA vaccine against malaria has been shown to be highly effective in trials in Africa, holding out the real possibility of slashing the death toll of a disease that kills 400,000 mostly small children every year.The vaccine, developed by scientists at the Jenner Institute of Oxford...

Australia set to host clinical trial of genetically modified Covid nasal spray vaccine

Australian company applies for permission to conduct trial of men and women aged 18 to 55Australia is set to host the first human clinical trial of a genetically modified adenovirus vaccine for Covid-19 delivered via nasal spray.Avance Clinical, an Australian contract research organisation, has applied to the office of the gene technology regulator for permission to conduct the phase 1 clinical...

Australia news live: NSW Health testing dock workers who boarded Covid ship; vaccine rollout reset

Fifteen Sydney waterfront workers waiting on coronavirus test results after boarding ship carrying infected sailors; national cabinet decision to offer all over-50s AstraZeneca vaccine from 17 May welcomed. Follow the latest updates liveScott Morrison claims future generations will ‘thank us’ despite no new emissions pledgeMalcolm Turnbull accuses resources minister Keith Pitt of living in...

Astronomers map asteroid’s 22m-year journey to Earth

Flight path of Kalahari’s six-tonne asteroid is first tracing of meteorite shedding rock to solar system originAstronomers have reconstructed the 22m-year-long voyage of an asteroid that hurtled through the solar system and exploded over Botswana, showering meteorites across the Kalahari desert.It is the first time scientists have traced showering space rock to its source – in this case Vesta,...

One dose of Pfizer or Oxford jab reduces Covid infection rate by 65% – study

Analysis of test results from more than 350,000 people finds older people just as protected as youngerCoronavirus – latest updatesSee all our coronavirus coverageOne shot of the Oxford/AstraZeneca or Pfizer/BioNTech vaccine reduces coronavirus infections by nearly two-thirds and protects older and more vulnerable people as much as younger, healthy individuals, a study has found.The results from...