Impact of the introduction of vaccine. The dependent variables are All-in-Drawn spread in columns (1)-(2), and Facility size in columns (3)-(4), respectively. All-in-Drawn spread and borrower accounting variables are winsorized at the 1st and 99th percentiles. Loan controls, loan purpose dummies, borrower controls, borrower industry dummies, and year-month fixed effects are included but their estimates are suppressed for brevity. Robust standard errors clustered at the borrower-country level are reported in parentheses below the coefficients. ***, **, * denote significance at the 1%, 5% and 10% levels, respectively.