<prompt> Quarantine period for yellow fever is:1 day2 days6 days10 days.  <response>: Quarantine period for Yellow fever 6 days Option 1, 2, 3, 4 Measures for the travelers taken at the international airpos in India: Unvaccinated travelers coming from yellow fever endemic zone to India will be kept in quarantine for 6 days Breteau index for larval monitoring or the Aedes aegypti index should be less than one; surrounding 400 metres of airpo. Breteau index BI: Number of positive containers for Aedes x 100 Number of houses inspected. 