Anika Larson



Anika Larson

Master in Public Health
University of Washington, Seattle


Most Important Achievement

My most important achievement has been working with the Washington State Integrated Surveillance for Antimicrobial Resistance (WISAR) database team to develop a draft “One Health” antibiogram report for Washington State integrating human, animal and environmental sampling data.

Professional aspirations

In the Kuskaya Fellowship, I hope to develop a better understanding of health systems and public health in a Peruvian context, gain experience in international research and collaboration, and build connections with other dedicated researchers in public and environmental health.


Antimicrobial Resistance and One Health

Antimicrobial resistance is a growing threat to medicines that are vital in human and veterinary medicine, both in Peru and worldwide. The environment can act as a reservoir for organisms that harbor resistance genes and for the genes themselves. Antimicrobial resistance epitomizes the One Health concept that the health of humans, animals and the environment are connected.

Contaminated drinking water can deliver antimicrobial resistant bacteria from local sources of contamination to humans, raising the cost and health risks of enteric disease and increasing antimicrobial resistance among commensal bacteria. We focus on a cohort of households in Cajamarca, Peru to identify what household and regional factors are associated with water quality and antimicrobial resistance.

Specific Aims:

1. Determine the relationship between household factors (e.g. household water treatment and household animals), water quality and antibiotic resistance in water contaminants in rural Cajamarca, Peru.

2. Investigate sources of household drinking water contamination in rural Cajamarca, Peru.

In addition, wildlife in what we think of as the “natural” environment can also harbor antibiotic-resistant bacteria. Migratory shorebirds traveling between continents may contribute to the worldwide spread of resistance. We are investigating the wild shorebirds that visit Peru´s coasts as part of a transcontinental migration for antibiotic resistance patterns that are relevant to human health.

Specific Aim: Describe the prevalence of antimicrobial resistance, including extended-spectrum beta-lactamase production among E. coli in migratory bird species in the Paracas National Reserve.


















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