Correction of typo in additional file Lisa White, Mahidol University 18 October 2011 The equation lambda=R_0*((1/L)+(1/d_treat))*(I_1+I_2)/N should be lambda=R_0*((1/L)+(1/d_in))*(I_1+I_2)/N. Competing interests None declared
Correction of typo in additional file
18 October 2011
The equation lambda=R_0*((1/L)+(1/d_treat))*(I_1+I_2)/N should be lambda=R_0*((1/L)+(1/d_in))*(I_1+I_2)/N.
Competing interests
None declared