One of the most important inventions in the medical field is the vaccine. Vaccines have saved countless lives by preventing the spread of deadly diseases. Thanks tovaccines, diseases like smallpox and polio have been virtually eradicated. The invention of the automobile has had a huge impact on...
However, one of the greatest inventions in the field of medicine has been the vaccine. Vaccines have played a crucial role in protecting human health and preventing the spread of diseases. Vaccines work by introducing a weakened or dead form of a disease-causing organism into the body, ...
Topics include economic forecasts for China and a polio vaccine developed by the inventor Jonas Salk.KlugerJeffreyEBSCO_bspTime Com
Dr. Jonas Salk giving a young girl a polio vaccine, Pittsburgh, PA, 1955. In Butler County, American Bantam developed the first jeep. At the University of Pennsylvania, J. Presper Eckert and John Mauchly developed the first digital computers, helping launch the computer age. The ongoing infu...
Jonas Salk attributed his success in polio vaccine to___. A.his basement laboratory where he could be alone B.the help of a renowned architect C.the contemplative setting of a monastery D.the excursion in cloistered place in Italy 点击查看答案 第7题 According to Paragraph 1, residences...