CO HB19-1312 School Immunization Requirements

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For illustration sake, lets pretend it is exactly 1/1000 people that die when the measles mutates and fully evades vaccines. Casualties in CO could be expected to approach 6,000 before it ran it's course, if we assume full penetration of the population, which as measles is about the most virulent thing out there, is going to be pretty close.

Now, lets just look at 0-12 months. At the actual CDC rate, it would be 325 infants in Colorado every year either dead, with SSPE, or with encephalitis with full penetration of the virus (mutated or not, they aren't vaccinated) - which would, in fairness, eventually substantially subside with herd immunity of the survivors limiting breakouts. Note encephalitis and SSPE on an infant can often produce lifetime retardation - they are serious brain inflammation that causes a lot of damage.

Meanwhile, in 2018, there were 584 total fatalities in CO from car accidents, of which a tiny minority were 0-12mo old.

Most measles cases are reported, btw, because it is so freaking contagious that unreported people cause local breakouts, which inevitably hit the CDC. To go unreported, it has to burnout quickly thanks to herd immunity, which most states no longer have. CO is 88%, it needs ~ 95% to reliably burnout.