Sir Howard Florey (from Australia) shared the 1945 Nobel Prize with Sir Ernst Boris Chain (from Germany) and Sir Alexander Fleming (from United Kingdom) for their discovery of penicillin.
Using the prompt, what major changes have happened as a result of this discovery?

A) The spread of smallpox was virtually eliminated due to early treatment of the virus.
B) It led to the first successful vaccination, which has prevented many common diseases from spreading.
C) The spread of infectious diseases and number of deaths due to infected wounds have dramatically decreased because of increased antibiotics.
D) It led to the pasteurization of milk, which has made it safer to drink and prevented the spread of deaths caused by drinking milk with bacteria.

Aresearcher proposes to conduct a study at a foreign site. the research has been determined to be exempt from the federal regulations by institutional policy. according to federal regulations, is review required at the foreign site? if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted but still require review at the u. s. site by the institution’s irb. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted, but still require review by the institutional official at the local site.

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