Directions (Q.Nos. 1 - 5) Given below is a passage with numbered blanks for which options are given. Choose the most suitable option for the blanks.
Smallpox, the most devastating and feared pestilence in human history, is making its last stand in two remote areas of Ethiopia, one in the desert and one in the mountains. As of the end of August (1) five villages had experienced cases (2) the preceding eight weeks. More (3) necessary, the oneset of the last (4) case was on 9th of August. (5) man is the only known producer of the smallpox virus.