Why where birds even to be found on those islands ?. The most famous example from his own writings was probably his observation about the size of bird beaks on different islands. There was absolutely no argument that bigger OR smaller beaks were better. It depended on the types of nuts on a given island. The beaks that were more "fit" to the sizes and shapes of the local nuts were the ones favored by natural selection.
That about the vaccines has been mentioned far back in the thread....that it’s a form of herd immunity(if it actually works)Steve James wrote:Actually, that's what a vaccine does, aopt a "herd immunity" obtained by "natural selection." I was just trying to connect the Darwin stuff with our present pandemic.
Quigga wrote:Being a nurse for old people in Germany I would call myself a front line worker, yet I wasn't tested once... Nor have many of my peers...
Trick wrote:Then the surviving herds how did they manage an virus threat before herd immunity was invented(vaccine) ?
Steve James wrote:Trick wrote:Then the surviving herds how did they manage an virus threat before herd immunity was invented(vaccine) ?
That question doesn't make sense. But, humans have developed vaccines for our herds and domestic animals. Afa wild animals, that's Darwin. However, it's why we can't eradicate roaches with insecticides.
herd immunity can only be throu mass vaccination, is that what you mean ?The point of a vaccine has always been to obtain herd immunity. It's when a sufficient percentage of the herd population has had a mild form of the disease. It's not natural selection. In nature, an entire herd can be wiped out by a virus or an environmental change. There's no herd immunity.
Steve James wrote:The point of a vaccine has always been to obtain herd immunity. It's when a sufficient percentage of the herd population has had a mild form of the disease. It's not natural selection. In nature, an entire herd can be wiped out by a virus or an environmental change. There's no herd immunity.
The human advantage is the way our brains.... Oh never mind.
Herd immunity was recognized as a naturally occurring phenomenon in the 1930s when it was observed that after a significant number of children had become immune to measles, the number of new infections temporarily decreased, including among the unvaccinated.
after a significant number of children had become immune to measles, the number of new infections temporarily decreased, including among the unvaccinated.
Steve James wrote: If enough people in the population have been vaccinated, it can be said that there is "herd immunity" without the herd getting the disease. Without a vaccine, the whole population may or will be exposed. If the pathogen is lethal, it will kill off much of the herd. However, a la Darwin, some of the herd will survive because they're naturally immune
Steve James wrote:after a significant number of children had become immune to measles, the number of new infections temporarily decreased, including among the unvaccinated.
And, how did that "significant number of children" become immune? Through vaccination, right.
Herd immunity (also called herd effect, community immunity, population immunity, or social immunity) is a form of indirect protection from infectious disease that occurs when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity. Immune individuals are unlikely to contribute to disease transmission, disrupting chains of infection, which stops or slows the spread of disease.
The greater the proportion of immune individuals in a community, the smaller the probability that non-immune individuals will come into contact with an infectious individual.
Fortunately, our understanding of the virus is growing. We know that vulnerability to death from COVID-19 is more than a thousand-fold higher in the old and infirm than the young. Indeed, for children, COVID-19 is less dangerous than many other harms, including influenza.
I don't like the concept of "herd immunity".
Bao wrote:Steve James wrote: If enough people in the population have been vaccinated, it can be said that there is "herd immunity" without the herd getting the disease. Without a vaccine, the whole population may or will be exposed. If the pathogen is lethal, it will kill off much of the herd. However, a la Darwin, some of the herd will survive because they're naturally immune
I don't like the concept of "herd immunity". It's darwinism alright. If you let the virus spread, it will kill off the most susceptible people. Here they speak about herd immunity, but in fact there is very little evidence of such thing. What they have done is letting a whole lot of elderly people die. The same thing in the US. If you measure the percentage Covid deaths in Sweden and the US according to population size, it's about exactly the same. And the solution in both of countries is the same: let it run around so old people die horrendously painful and traumatic deaths. Then you will start to see lower death rates. You could call it either Darwinism or cynical irresponsibility, the result is still the same.
Giesecke, a member of WHO’s Strategic and Technical Advisory Group for Infectious Hazards, is still advising a similar approach to governments elsewhere. On 23 September, he told an Irish parliamentary committee that Ireland should aim for “controlled spread” in people under age 60 and “tolerable spread” among those over age 60, though in a later interview he backed off, saying Ireland had to decide policies for itself.
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