Seven in ten people over 16 will need to be fully vaccinated for COVID restrictions to begin to be eased, under targets agreed in principle by national cabinet on Friday.
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The evidence suggests antigen tests are most accurate when the viral load is highest and when a person is likely to be most infectious.
As high-income countries move into post-vaccination life with vaccination rates of over 80 doses per 100 people, only 1.1 per cent of people in low-income countries have received at least one dose.
Cases of this variant – which has some potential to escape the effects of vaccines – have risen recently in France and Spain.
Vaccine hesitancy is declining in Canada but hasn’t disappeared. New research shows many of those initially less hesitant have since been convinced. With continued efforts, others can still be reached.
We may be witnessing the signs of COVID developing into an endemic disease in the UK.
Vaccines can’t provide 100% protection, so it’s not a failure or surprise when some vaccinated people get sick with COVID-19. The good news is their cases are much less likely to be severe or fatal.
The CDC guidance applies to areas with high coronavirus transmission rates – which on the day of the announcement covered 63% of US counties.
Millions of Americans with tens of billions in unpaid rent face eviction and loss of their home.
What kind of vaccine is Sputnik V, how does it work, and what data are we missing?
Patients with more symptoms during initial infection – particularly breathlessness, chest pain or abnormal heart sounds – appear more likely to experience lasting illness.
Once we achieve herd immunity, people who are not vaccinated benefit indirectly from the immunity of those around them. But it’s not easy to say exactly when we’ll reach this threshold for COVID-19.
Just because face coverings aren’t mandatory doesn’t mean they’re not protective – so here’s how to ask someone to wear one.
The potential benefits of telecommuting could quickly be erased because of the behavioural changes it brings about in the medium and long term.
Parents face tough choices since young kids can’t yet get COVID-19 vaccinations. An infectious diseases expert offers guidance on navigating summer activities.
The evidence shows the main way COVID-19 spreads is through the air. I propose 3 steps Australia needs to take to protect people from infection risk and other indoor air hazards.
Notable events — including the COVID-19 pandemic — have revealed the weaknesses in global supply chains. Companies need to ensure the resiliency of the manufacturing and distribution systems.
With cases increasing worldwide, any vaccine that could stop people from getting ill is highly valuable.
When the media pits academics against each other in an attempt to represent “both sides of the argument”, no one wins.
NSW’s successful test and trace strategy controlled the Crossroads Hotel outbreak a year ago without needing a stringent lockdown. But this has not worked as well against Delta.
Top contributors
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Professorial Fellow, University of Canberra
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Associate Professor, Epidemiology, Deakin University
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Professor of Global Biosecurity, NHMRC L3 Research Fellow, Head, Biosecurity Program, Kirby Institute, UNSW Sydney
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Senior Research Fellow in Global Health, University of Southampton
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Chair in Epidemiology, Deakin University
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Professor of Biostatistics and Epidemiology, University of South Australia
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Associate Professor of Bioethics, University of Portsmouth
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Professor of Public Health, University of Sheffield
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Professor of Medicine, University of East Anglia
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Honorary Enterprise Professor, School of Population and Global Health, and Department of General Practice and Primary Care, The University of Melbourne
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Associate Professor, Director Cabrini Monash University Department of Nursing Research, Monash University
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Visiting Fellow, Crawford School of Public Policy, Australian National University
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Senior Lecturer in Mathematical Biology, University of Bath
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Consultant Neonatologist and Professor of Ethics, University of Oxford
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Professor of Mathematics and Statistics, University of Strathclyde
