We don’t have a lot of scientific evidence on how much additional protection a fourth dose would offer younger adults. But on balance, giving them the option could be worthwhile.
Teresa Wright, California State University, Long Beach
Comparisons have been made to the 1989 demonstrations that led to the Tiananmen Square massacre. An expert on Chinese protests explains why that is half right.
As Canada plans to welcome 500,000 new permanent residents a year by 2025, the government must make changes to make the immigration system more fair and transparent.
Public buses, subways and trains are relatively safe, fast and cheap. But competition from rideshares and concerns over COVID-19 will soon see some local agencies short of funds.
President Xi Jinping may be concerned about a spike in the death rate if China’s tough COVID restrictions are lifted – and the political fallout from it.
Analysis of Victoria’s winter COVID wave found Paxlovid and Lagevrio reduced the risk of hospitalisation and death. The results were better for Paxlovid, but not everyone can take it.
A new survey of Australian authors finds that while author incomes have (very slightly) grown, they remain perilously low – which makes it hard to find time to write.
Improving access to affordable housing and increasing benefit assistance rates are some sustainable solutions to the chronic cycle of homelessness faced by women fleeing violence.
Preprints are often free to use, making them more accessible for journalists to report on. However, as they have yet to undergo peer review, science journalists take a gamble on their accuracy.
Honorary Enterprise Professor, School of Population and Global Health, and Department of General Practice and Primary Care, The University of Melbourne
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