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Debunked: Yes, the virus that causes Covid-19 has been isolated and photographed
Russia's Sputnik V vaccine is 91.6% effective against symptomatic Covid-19 - study
Delayed until the end of 2021: What's happening with the Sanofi/GSK jab?
European Medicines Agency confirms no deaths have been linked to the Pfizer/BioNTech vaccine
EU medicines agency approves Oxford/AstraZeneca Covid-19 vaccine for everyone over 18
Amid a deepening row, the [heavily redacted] EU-AstraZeneca contract has been published
HSE aware of German decision on Astrazeneca vaccine but will follow EMA advice on over 65s
Pfizer-BioNTech say its Covid vaccine is effective against UK and South Africa variants
Moderna says its Covid vaccine is effective against the UK and South Africa variants
SpaceX rocket deploys record-setting cargo
Self-isolation after contact with a Covid-19 case could be cut to seven days – study
Possibility of 'long Covid' could be established in patients soon after they are infected
FactCheck: No, Pfizer did not say unprotected sex should be avoided after the vaccine because of risk from 'genetic manipulation'
Analysis suggests UK coronavirus variant 'not responsible for recent surge' in Ireland
Weather event responsible for 2010 and 2018 cold snaps expected in the coming days
US set to approve second Covid-19 vaccine
Pfizer vaccine could be approved for use in Ireland next week as EMA brings forward meeting
Argentina's lower house backs landmark bill to legalise abortion
Government to consider prioritising under-18s with health conditions for Covid-19 vaccine
EU climate service records hottest November on record in Europe
Covid-19: Australian researchers begin training sniffer dogs to detect virus in infected patients
Chinese spacecraft blasts off from moon with cargo of lunar rocks
UK medicines regulator defends speed of vaccine approval after Dr Anthony Fauci raises doubts
Climate change means future pandemics are more likely
Covid-19: How does the new Pfizer/BioNTech vaccine work?
Iconic Puerto Rico telescope collapses just weeks after being declared unsafe
UK formally approves Pfizer/BioNTech vaccine against Covid-19
Irish scientists discover cause of 'skin-eating' conditions from False Widow spiders
Amazon deforestation reaches 12-year high after area larger than Jamaica removed in last year
Astrazeneca says it may need to conduct 'additional study' of its Covid vaccine after questions emerge
Covid-19: European Union 'could approve' two vaccines by the middle of December
Dinosaurs were not in decline when asteroid hit, study suggests
Coronavirus: Vaccine from US company Moderna 94.5% effective, according to early data
'It's just not as good': HSE urges public to wear face masks instead of face visors where possible
Commission president says contract for up to 300 million doses of Pfizer/BioNTech vaccine will be authorised
'A watershed moment': Pfizer's Covid-19 vaccine is '90% effective' in preventing the illness, company says
FactCheck: No, care home residents in Ireland did not die two days after receiving a flu vaccine
Over half of people in Ireland would take a Covid-19 vaccine
'I can’t believe we pulled this off': Nasa craft lands on asteroid to collect rubble as part of rare space mission
FactFind: Has the World Health Organisation changed its position on lockdowns?