Apparently I'm the only person in the world who paid attention in high school.
Viruses die off if they become too deadly, evolutionary pressure is to be less lethal.
The more deadly a virus is, the less it will spread. The more sick a person is, the less likely they are to go out and spread it. The virus will only go so far, that's why ebola outbreaks are small
Point number 1 is moot if you have leaky vaccines. If the vaccine only reduces symptoms, it not only sets up for things like ADE but it changes the evolutionary pressure to allow a virus to become more transmissable and more deadly. Mareks disease is the perfect example.
Apparently I'm the only person in the world who paid attention in high school.
Viruses die off if they become too deadly, evolutionary pressure is to be less lethal.
The more deadly a virus is, the less it will spread. The more sick a person is, the less likely they are to go out and spread it. The virus will only go so far, that's why ebola outbreaks are small
Point number 1 is moot if you have leaky vaccines. If the vaccine only reduces symptoms, it not only sets up for things like ADE but it changes the evolutionary pressure to allow a virus to become more transmissable and more deadly. Mareks disease is the perfect example.