PART 1.1

The risk of smallpox was accepted as just an unfortunate part of life. Getting sick was a person’s fate. But in the late 1700s, Dr. Edward Jenner saw things differently and applied a “cause and effect” mindset. After years of observation, he was convinced that having cowpox protected people from contracting smallpox.

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PART 1.2

In the early days of HIV/AIDS, AIDS was a mysterious disease. The cause of AIDS was unknown, and many blamed it on the most marginalized groups. But, without knowing that the disease was caused by a virus, it was easy to stigmatize, isolate and blame affected groups. The early approach towards understanding AIDS focused on who was getting infected, rather than the cause and effect of the disease. Epidemiologists saw that AIDS was affecting hemophiliacs, heroin addicts, homosexuals, and Haitians (the 4Hs of HIV) which biased the way people viewed the disease and the populations it first impacted. Infection did not seem to follow logic.

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PART 7.2

One of the most challenging things for vaccinations is reaching those who live “at the end of the road”—those who are geographically isolated due to distance or living in hard to access regions. A well-functioning delivery system is one that reaches the patient at the point-of-care. Such a system is essential for adequate access to and availability of vaccines. But, while across Africa, governments and donors are investing billions of dollars to strengthen health systems and make affordable medicines available, government supply chains often struggle to get medicines and supplies through the last mile to the health facilities and to the people who need them most.

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