Tagged: immunity

COVID-19 vaccines prevent spread of the virus too - Code for life

Grant Jacobs May 13, 2021

Many people seem to be reading that our COVID-19 vaccine won’t prevent the spread of COVID-19 from one person to the next.1 If you’re worried about this, this one is for you. We now have evidence the vaccine reduces transmission, and a rough idea of by how much.2 Science is often about pulling different pieces of evidence together, in this … Read More

Exercise boosts immunity and makes vaccines more effective – new study - COVID-19

Guest Author Apr 23, 2021

Sebastien Chastin, Glasgow Caledonian University The availability of vaccines has brought hope for the end of the pandemic. Yet COVID deaths and cases are still surging around the world. As we try to immunise the world, the most likely scenario for the next few years is that COVID-19 will be like other infectious diseases, such as flu, that we … Read More

What the Blood Supply Shows About Covid-19’s Spread - COVID-19

Guest Author Jan 19, 2021

Nathaniel Scharping In March, as the Covid-19 pandemic began to shut down major cities in the U.S., researchers were thinking about blood. In particular, they were worried about the U.S. blood supply — the millions of donations every year that help keep hospital patients alive when they need a transfusion. The researchers were able to put to rest … Read More

A new study suggests coronavirus antibodies fade over time – but how concerned should we be? - COVID-19

Guest Author Oct 28, 2020

Sheena Cruickshank, University of Manchester Newly released research suggests that levels of antibodies against the coronavirus have declined across the UK population since testing began. Having randomly sampled 365,000 people across the country, the React2 study – which is yet to be peer-reviewed – estimates that 6% of the UK population had antibodies against the virus … Read More

Immunity to COVID-19 may not last. This threatens a vaccine and herd immunity - COVID-19

Guest Author Jul 17, 2020

Nigel McMillan, Griffith University How is the world going to go back to the days when we could grab a coffee, see a movie, or attend a concert or footy game with anyone? Opinion suggests there are two options: an effective vaccine, or herd immunity via at least 60-80% of people becoming infected. Either one of these options requires that … Read More

Supermarkets and nutritional advice - BioBlog

Alison Campbell Aug 17, 2017

I rather like our local supermarket. Lovely staff, generally excellent products, and close to home as well.  But I really wish the organisation would stay out of giving nutritional advice – or at least, that they do the right sort of consultation about their claims. For example, under ‘recipes’ there’s a post about ‘hyper-functional’ beverages A. These, it’s stated, … Read More

Flu vaccine won’t definitely stop you from getting the flu, but it’s more important than you think - Guest Work

Guest Author Apr 14, 2017

Allen Cheng, Monash University and Kristine Macartney, University of Sydney As we head towards a southern hemisphere winter, many people are wondering if it’s worth getting the flu vaccine. Generally speaking, if you are vaccinated, you’re less likely to get the flu. But that’s not the whole story. For most healthy people, it’s … Read More