Stories

"We should be doing more testing, not less. Accumulating data shows that relying only on symptoms to detect COVID-19 infections will miss up to 40% of cases — maybe more in younger groups such as college students. There is strong epidemiological evidence, reviewed in the CDC’s own journal Emerging Infectious Diseases in July, that asymptomatically infected people can transmit the virus to others. Indeed, even people who eventually develop symptoms typically have high levels of virus days before symptoms appear."

Craig Stephens, the Sanfilippo Family Professor of biology and public health; Katherine Saxton, associate professor of biology and director of the public health program; and Margaret R. McLean, associate director of the Markkula Center for Applied Ethics, recommend ignoring the controversial — and scientifically unfounded — piece of guidance recently put forth by the CDC in their opinion article published in The Mercury News.