By Caroline Chen, ProPublica Dr. Carey Washington was eager to be vaccinated. The psychologist, who was still working at 80 years old, got his first coronavirus shot on Jan. 12 and followed up with the second Pfizer dose on Feb. 4. With both shots done, he let his guard down at the office he shared with another doctor, sometimes leaving his mask off. Then he woke up on March 7 with aches and fatigue,