An experimental vaccine provided some protection against that scourge of tourism, traveler's diarrhea, when put to a rigorous test among U.S. students in Mexico and Guatemala, scientists reported Friday.
The research provides important evidence that a &to=http://english.pravda.ru/culture/2001/09/18/' target=_blank>vaccine is possible against the hard-to-avoid germs, instead of merely urging travelers to guard against risky food and water. Now the challenge is to strengthen that protection.
"This is a very encouraging first step," said microbiologist A. Louis Bourgeois of Johns Hopkins University's Bloomberg School of Public Health, who led the study of the Swedish-developed vaccine.
The British Prime Minister cuts a sociopathic figure, isolated, stubborn beyond belief, totally wrong and convinced that the world gravitates around her feet
The Basmanny Court of Moscow arrested Michael Calvey, the founder of Baring Vostok investment fund, on allegations of embezzling 2.5 billion rubles from Vostochny Bank. Calvey will be held in custody until April 13