mortality (daily) = (total dead) / (total infection)
mortality (7 days) = (sum of dead for the last 7 days) / (sum of new infection for the last 7 days before)
mortality (14 days) = (sum of dead for the last 14 days) / (sum of new infection for the last 14 days before)
reproduction (7 days) = (sum of new infection for the last 7 days) / (sum of new infection for the last 7 days before)
reproduction (14 days) = (sum of new infection for the last 14 days) / (sum of new infection for the last 14 days before)