When a high percentage of people are vaccinated, there are too few susceptible people left to infect.
Science is the field of study concerned with discovering by observing and experimenting.
Although anybody can do science, professional scientific researchers follow a scientific method which allows them to explain occurrences using a logical, consistent, systematic method of investigation.
This involves collecting large amounts of data from well thought out experiments and analysing that data to arrive at a well-tested, well documented, theory that is supported by the evidence.
The theory is then subjected to critique by other experts and only if approved by them is it allowed to be published in a peer reviewed journal for others to read and learn from.
As a person who reads and writes peer reviewed journal articles, I’ll admit that they can be difficult to understand, are often filled with specialist jargon, and are not usually…
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