Smallpox vaccine get to a populated place. The world health system is completely unprepared for this." In the United Kingdom, controversy occurred regarding the company which had been contracted to supply the vaccine. This was because of the political connections of its owner, Paul Drayson, and questions over the choice of vaccine strain. The strain was different from that used in the United States. Plans for mass vaccinations in the United States stalled as the necessity of the inoculation came into question. Smallpox vaccine Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed
German retribution against Poles who helped Jews possible to organise public protests against deportations of the Jewish population. Calculations by Teresa Prekerowa show that only 1% to 2.5% of the adult Polish population was involved in helping Jews. However, the number of helpers was also very small in the countries of Western Europe - although hiding Jews there was associated with an incomparably lower risk. Assuming the percentage of the population of European countries, which in 1945 was made up of Jews who survived the Holocaust, Poland did not differ from the average in other occupied states. On the other hand, in the Netherlands, where few Jews