Preliminary evidence suggests Lambda has an easier time infecting our cells and is a bit better at dodging our immune systems. But vaccines should still do a good job against it.
Articles on Delta variant
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With COVID-19 surging and the state resisting a lockdown, Fijians turn to ‘solesolevaki’ — working together for a common cause — to fill the gaps.
COVID-19 vaccination produces a more consistent immune response than a past infection. With the delta variant, the difference in protection may be even greater.
The rise of the Delta variant does seem to be associated with more COVID transmission in schools than what we’ve seen previously. But kids are much less likely to become severely unwell.
The Delta variant is now accounting for the majority of COVID infections in many counties around the world.
Delta plus might reduce the efficacy of the vaccines currently in use. But we can’t be sure because we’re yet to see good data on this variant.
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The COVID-19 resurgence in South Africa is likely to take a heavy toll. It is important for vaccination efforts to be ramped up.
Data from the UK, where the Delta variant is dominant, suggest many people with COVID-19 are experiencing cold-like symptoms such as a runny nose and a sore throat.
New Zealand health authorities were quick to react to the threat of a COVID-19 outbreak and managed to avoid community transmission, but the unique nature of how the virus spreads also played a role.
Pressure is mounting to reopen the Canada-U.S. border, but there are risks. How well those risks are managed may be the difference between pandemic recovery or a fourth wave of COVID-19.
South Africa didn’t engage early enough with pharmaceutical companies in bilateral discussions to ensure it could get vaccines early.
Two doses have always been more protective than one, but the delta variant has made the benefit of a second vaccine much greater.
New Zealand’s capital is on high alert after an Australian visitor tested positive on their return home. With less than 10% vaccinated, New Zealanders remain vulnerable to new outbreaks.
The Delta variant: What it is, where it came from, why it’s different and whether COVID-19 vaccines can prevent it.
There are 36 cases of the so-called ‘Nepal variant’ in the UK.
Why it’s important to pay attention to evolutionary theory when considering population health.
Usually, companies use this power to secure financial benefits for themselves, such as tax or regulation relief. But increasingly, they’re using it for social causes as well.
A bankruptcy filing always means there’s not enough money to go around, but the process ensures both debtors and creditors are protected.
A massive new study shows that companies that share profits and equity with their workers enjoy lower employee turnover and return more money for their shareholders.
Drones are low cost and easy to operate. They give quality, high resolution outputs, and can be deployed fast and often.
Top contributors
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Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand
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Professor in Applied Mathematics, University of Canterbury
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Professor of Epidemiology, Medicine, and Infectious Diseases and Microbiology, University of Pittsburgh
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Adjunct Professor of Epidemiology, University of Texas Health Science Center at Houston
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Professor and Tier 1 Canada Research Chair in Global Health Governance; Scientific Co-Director, Bridge Research Consortium, Simon Fraser University
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Professor of Pathology, Microbiology and Immunology, University of South Carolina
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Paediatrician and Infectious Diseases Specialist; Clinical Researcher, University of Sydney
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Professor and Department Chair of Infectious Diseases and Microbiology, University of Pittsburgh
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Professor of Epidemiology, University of Auckland, Waipapa Taumata Rau
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Research Fellow, Pandemics & Borders Project, Simon Fraser University
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Professor of Global Biosecurity, NHMRC L3 Research Fellow, Head, Biosecurity Program, Kirby Institute, UNSW
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Associate Professor and Research Leader in Virology and Infectious Disease, Griffith University
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Associate Professor, Child and Adolescent Health, University of Sydney
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Head: Zoonotic, Arbo and Respiratory Virus Programme, Professor, Department Medical Virology, University of Pretoria