Q. (24 – 27): There are blank spaces in the following passage which have been numbered. These numbers are printed below the passage and against each some words are suggested. Find out the words that best fit the blank spaces. Global strategies to control infectious disease have historically included the erection of barriers to international travel and __(24)__. Keeping people with such deadly diseases outside national borders has __(25)__ as an important public health policy in the human immunodeficiency virus (HIV) epidemic. Between 29 and 50 countries __(26)__ to have introduced border restrictions on HIV-positive foreigners, usually those planning an __(27)__ stay in the country, such as students, workers or seamen.

২৪) Choose a word for each question given below to complete the passage.