Seasonal flu is an “all human virus”. The DNA/RNA chains that make up the virus are recognized by the human immune system. This means that your body has some immunity to it before it comes
Novel viruses come from animals. The WHO tracks novel viruses in animals, sometimes for yrs watching for mutations. Usually these only transfer from animal to animal,
Sometimes the mutation only allows transfer from animal to human. For yrs its only transmission is from an infected animal to a human before it finally mutate so that it can now transfer human to human.
H1N1 was deadly. It didn’t mutate in a way that was as deadly as the Spanish flu. Its RNA was slower to mutate and
Fast forward...
Now, here comes the Coronavirus. It existed in animals only, for how long, nobody knows. One day, at an animal market, in Wuhan, China, in December 2019, it mutated and made the jump from animal to humans. At first, only
Coronavirus not being in any form a “human” virus, whereas we’d all have some
This particular animal virus changed itself in such a way that it causes great damage to human lungs.
That’s why Coronavirus is different
Right now it’s hitting
This is what I got ^