When all babies’ DNA is stored forever and accessible to whoever has the most money or political clout, no one’s most fundamental privacy is secure. The coronavirus pandemic has intensified the discussion about the right to biological privacy. Dr. Anthony Fauci at White House press conferences muses about “certificates of immunity” to be carried by Americans who have antibodies to the virus. Bill Gates advocates a national tracking system so the government can see where the virus is. Whether his envisioned system involves microchipping the population is the subject of some debate. Privacy advocates warn about allowing the government to...