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In this file photo taken on September 02, 2002 A needle makes 15 punctures in the skin through a drop of smallpox vaccine on the arm of an Israeli nurse, as laboratory workers and health personal attend a day of training in the states medical training center at the Tel Hashomer hospital in Tel Aviv.

In this file photo taken on September 02, 2002 A needle makes 15 punctures in the skin through a drop of smallpox vaccine on the arm of an Israeli nurse, as laboratory workers and health personal attend a day of training in the states medical training center at the Tel Hashomer hospital in Tel Aviv.

In this file photo taken on September 02, 2002 A needle makes 15 punctures in the skin through a drop of smallpox vaccine on the arm of an Israeli nurse, as laboratory workers and health personal attend a day of training in the states medical training center at the Tel Hashomer hospital in Tel Aviv.

In this file photo taken on September 02, 2002 A needle makes 15 punctures in the skin through a drop of smallpox vaccine on the arm of an Israeli nurse, as laboratory workers and health personal attend a day of training in the states medical training center at the Tel Hashomer hospital in Tel Aviv.