deletions | additions       diff --git a/layout.md b/layout.md  index 166b17c..8490cf1 100644  --- a/layout.md  +++ b/layout.md 
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section_Theory_of_the_SIR__.tex  The_notation_N_will_be__.tex  beta_in_the_second_line__.tex  subsection_Basic_Reproductive_Model__.tex subsection_Basic_Reproductive_Number_The__.tex