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​​​​​​​Infectious Diseases
The Infectious Disease & Vaccine Therapeutic Areas play an important role in discovering and developing innovative medicines and vaccines to treat and prevent infectious diseases, including HIV and Ebola. Vaccines are one of the greatest public health success stories - ​and Merck has been discovering, developing, and delivering vaccines to help prevent disease for over 100 years.

Our work in infectious diseases

35
years committed to research to help combat the challenges of the HIV epidemic
1942
the year we began producing penicillin "G"
40+
investor-initiated antimicrobial stewardship programs funded across the globe

HIV: Our legacy in innovative HIV science continues
We remember when HIV was one of society's most daunting challenges, when millions of people lost their lives to the devastating AIDS epidemic. Our scientists embarked on an urgent mission to unravel and understand the virus, which led to groundbreaking research in HIV. ​​​​​​​
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Antibiotics: Continuing research and striving for improvements in the use of antibiotics.
​​​​​​​While other companies pull away from antibiotic research and development, we stand out from the pack. We continue our efforts, because we know the world needs it. 
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Ebola: Joining a partnership to combat a deadly virus
Since the emergence of the Ebola virus in 1976, periodic outbreaks have been a global health challenge. We are proud to be part of the global public-private partnership that has united government, industry, community groups, scientists, health care workers and ordinary people, to come together to help fight this deadly disease.
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This careers website is intended for Residents of the United States, Canada & Puerto Rico. Residents in other markets, please visit our MSD Careers page. Information on this site is for the purpose of presenting career opportunities at our organization and give our audience a view of our culture, diversity and growth opportunities. Our Company is an equal opportunity employer, Minority/Female/Disability/Veteran, proudly embracing diversity in all of its manifestations.