Yellow fever now states that a single dose of vaccination is sufficient to confer lifelong immunity against yellow fever disease." The attenuated live vaccine stem 17D was developed in 1937 by Max Theiler. The World Health Organization (WHO) recommends routine vaccinations for people living in affected areas between the 9th and 12th month after birth. Up to one in four people experience fever, aches, and local soreness and redness at the site of injection. In rare cases (less than one in 200,000 to 300,000), the vaccination can cause yellow fever vaccine-associated viscerotropic disease, which is fatal in 60% of cases. It is
First Step to Nobel Prize in Physics the winner was an American student. In 2009, the prize went to Mor Tzaban, a high school student from Netivot, Israel. In 2012, the first prize winner was another Israeli teenager, Yuval Katzenelson of Kiryat Gat, who presented a paper entitled "Kinetic energy of inert gas in a regenerative system of activated carbon." The Israeli delegation won 14 more prizes in the competition: 9 Israelis students won second prize, one won third prize and one won fourth prize. First Step to Nobel Prize in Physics The First Step to Nobel Prize in Physics is an annual international competition in research