How often can you be infected with the Coronavirus? The spread of the Omicron variant has given scientists an unsettling answer: repeatedly, sometimes within months medicine Article 1068 words 10 votes
"Sunday update" - Dr. John Campbell covers the scientific evidence for long-term covid immunity. Video 33:16 3 votes
SARS-CoV-2-specific T cell immunity in cases of COVID-19 and SARS, and uninfected controls PDF 12 votes
Immunity to COVID-19 may wane just two to three months after infection, study suggests Article 748 words 13 votes
‘Closing borders is ridiculous’: The epidemiologist behind Sweden’s controversial coronavirus strategy Article 1233 words 10 votes
A disaster waiting to happen or a bold, evidence-based response? In Sweden, it depends who you ask Article 1057 words 6 votes
Are "immunity certificates" actually feasible? Thoughts from an expert on viral antibodies Link 6 votes
Swedish PM Stefan Löfven warned over 'Russian roulette-style' Covid-19 strategy – health experts say attempt to build herd immunity is a 'mad experiment with 10m people' Article 1181 words 6 votes
Measles cases at highest for twenty years in Europe, as anti-vaccine movement grows Article 1184 words 13 votes