What do we mean by Covid immunity?

From The Medical Republic, 21 March 2022: There was a time before covid, which seems a distant memory now, when the concepts of “immune” and “immunised” seemed relatively straightforward to anyone outside the field of immunology. Either by virtue of childhood infection or vaccination, a person believed that they were now protected from further assault Continue reading What do we mean by Covid immunity?

Sotrovimab-resistant covid ‘could spread’

From The Medical Republic, 10 March 2022: Covid can develop resistance to the monoclonal antibody that was thought to be “variant-proof”, Australian research suggests. A research letter published in the New England Journal of Medicine reports on four patients with covid who experienced treatment failure with sotrovimab, and were then found to have variants of Continue reading Sotrovimab-resistant covid ‘could spread’

Gut microbiome may help or hinder defenses against SARS-CoV-2

From The Scientist, 31 August 2021: hen SARS-CoV-2 first began rampaging around the world, it was thought to primarily affect the respiratory system. It soon became clear that the virus had more far-reaching effects, including on the gastrointestinal system and its bacterial symbionts. This came as no surprise to Siew Ng, a gastroenterologist in the Continue reading Gut microbiome may help or hinder defenses against SARS-CoV-2

Is this what social murder looks like?

From The Medical Republic, 10 June 2021: “[Society] has placed the workers under conditions in which they can neither retain health nor live long … society knows how injurious such conditions are to the health and the life of the workers, and yet does nothing to improve these conditions. That it knows the consequences of Continue reading Is this what social murder looks like?

So we have vaccines. What happens now?

From The Medical Republic, 8 April 2020: “I’m one of those public health people who love silver bullets.” As editor-in-chief of BMJ Global Health, and a health systems expert at the University of Sydney, Dr Seye Abimbola is well acquainted with the damage that SARS-CoV-2 has wrought around the world. So he’s understandably excited about Continue reading So we have vaccines. What happens now?

Why aren’t kids getting vaccinated?

From MIT Technology Review, 8 February 2021: While much of the world is engaged in a frantic scramble to get vaccinated against covid-19, there’s one group noticeably absent from the queues of people at vaccine clinics: children. The Pfizer-BioNTech vaccine is still approved for use only in those aged 16 years or older, and the Continue reading Why aren’t kids getting vaccinated?

How kids’ immune systems can evade COVID

From Nature News, 10 December 2020 Young children account for only a small percentage of COVID-19 infections — a trend that has puzzled scientists. Now, a growing body of evidence suggests why: kids’ immune systems seem better equipped to eliminate SARS-CoV-2 than are adults’. “Children are very much adapted to respond — and very well Continue reading How kids’ immune systems can evade COVID

How many people have died from COVID-19?

From The Medical Republic, 30 November 2020: The COVID-19 pandemic has so far claimed more than 1.3 million lives, and those are just the deaths we know about. Like the proverbial iceberg, the true scale of pandemic-related mortality is still hidden below the surface. It’s the elderly woman who died of a heart attack because Continue reading How many people have died from COVID-19?

What the data say about asymptomatic COVID infections

From Nature News, 18 November 2020: How many people don’t experience any symptoms after becoming infected with SARS-CoV-2? And what is their role in spreading COVID-19? These have been key questions since the beginning of the pandemic. Now, evidence suggests that about one in five infected people will experience no symptoms, and they will transmit Continue reading What the data say about asymptomatic COVID infections