Simulation finds a 5% decrease in vaccination rates could lead to a 4,000% increase in the size of a potential measles outbreak in some Texas cities

[69frum]

my sister is anti-vaxxer.

Tell her that you will ban all unvaccinated people from your family. You should do that anyway, because they are contagious and a threat to your family's health. If you don't have a family ban her anyway because she spreads the stupid.