Herd immunity. What is it? What can it do for us? Or to us?
It can be our best friend and our worst enemy.
Herd immunity—friend or enemy?
Tag Archives: COVID-19
Scientists are zeroing in on how to treat COVID-19 The world needs an effective treatment right away.
COVID-19 may infect much of population in many countries. From its origins in Wuhan, China, it has proven lethal in a small but alarming fraction of cases. The principal risk is pneumonia in elderly or already ill patients. There will be no vaccine for at least a year. The world needs an effective treatment right […]
Designer Genes Getting CRISPR and CRISPR
Heads up! A new technology is transforming gene editing. It gets my vote for top science news of last year. It will affect us all more than we can imagine. And the most surprising news may be its inventor. Many things can change the code of DNA. Chemicals, X-rays, ultraviolet, cosmic rays, and mistakes during […]
The Value of Good Science
Danish political scientist Bjorn Lomborg makes a high-profile case against spending on Ebola. It may be good politics, but is it good science? Why should we care? One reason is that scientific thinking on Ebola could save lots of lives and staggering amounts of money. Science is a driver of our economy. Science is why […]
Many Measly Ways of Dying
A new study has revealed how infection with measles exposes children to many other causes of death. This is something caring parents need to know about. Measles (aka rubeola) shows up as a rash. It is very infectious. Because it mostly just goes away we tend to think of it as a nuisance that keeps […]
Are Your Colds in Hot Water Yet?
Skepticism’s healthy. These days we don’t have to believe a news story. But to get the benefits of skepticism we need to check stories out. A good-news story in a past Science Seen post has a simple message: Hot water can cure the common cold. Some who read the post or social-media re-posts were skeptical. […]
Gut Instinct
You likely do not often think about how you are put together on a microscopic scale. You are a conspiracy of cells. Roughly a hundred trillion of them, each one more or less autonomous. Each shapes its environment (you) by talking to co-conspirators. Cells do this instinctively. Their ancestors survived by doing it for millions […]
Taking the Shot
These days there’s news about the pros and cons of vaccinations. There is good news and there’s bad news. Let’s unscramble them, because we can learn from both good and bad. There is good news about ebola vaccines. Ebola is about eight times less infectious than measles but it’s far more deadly. It’s a gruesome […]
Up Close with Ebola
Around the world we’re starting to see same-old knee-jerk stuff. Irrational reactions to Ebola hurt us all: World Health Organization Director-General Margaret Chan says that 90 per cent of economic costs of an epidemic ‘come from irrational and disorganized efforts of the public to avoid infection.’ ‘Public’ includes public officials and push-button politicians and panicky […]