TABLE 1 

Calculation of numbers of years that elapse before an escape for 15 labs

P1y with an E ofa:Comment
0.0010.010.5
0.0020.0330.3323From CDC data
0.00010.676.7462Klotz estimate
1.00E−0666.7670.046,210Fouchier estimate
  • a The data of the table, calculated from equation 2, are the expected numbers of years that elapse before a lab escape (y) from one of the labs in a research enterprise of 15 laboratories for three different risk tolerances (E) and three different probabilities (P1) of escape from a single lab in a single year.