Scrubbing the gene pool

Vaccine Critics Turn Defensive Over Measles - NYTimes.com

"In San Geronimo, Calif., a mostly rural community of rolling hills and oak trees about 30 miles north of San Francisco, 40 percent of the students walking into Lagunitas Elementary School have not been inoculated against measles, according to the school’s figures. Twenty-five percent have not been vaccinated for polio. In all, the state says that 58 percent of Lagunitas kindergartners do not have up-to-date vaccine records."