Laura Edison Kallen

A young boy washes his hands at a handwashing station.
Aug 28, 2019
Handwashing with soap is easy, inexpensive, and it saves lives. Seems like common sense, but how does handwashing with soap actually work? Why can’t you just use water? What even is soap? To answer these questions, we’ll need to go back to school
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Palestinian infant receives ROTAVAC as part of routine immunization.
Feb 27, 2019
What’s better than one rotavirus vaccine? Four rotavirus vaccines. Having a robust and diverse global market of options for vaccines is beneficial in several ways – it lowers prices, stabilizes supply, gives countries more choices, and, ultimately
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The 13th International Rotavirus Symposium brought together 280 rotavirus experts in Minsk, Belarus from 29-31 August, 2018.
Sep 07, 2018
Vaccines against rotavirus, the leading cause of severe and fatal diarrhea in young children worldwide, are a stunning global public health success story. Their development, evaluation, and introduction and scale-up in many low-income countries
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Jun 20, 2018
From left to right: Laura Kallen, PATH; Roma Chilengi, CIDRZ; Hope Randall, PATH. See more photo booth images here.   Is advocacy my job?   That question was asked by presenter Dr. Roma Chilengi from the Centre for Infectious Disease Research,
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May 30, 2018
If you have blood type A, you may be more at risk of diarrhea from enterotoxigenic E. coli (ETEC). This finding was just published in a human challenge model study in the Journal of Clinical Investigation—and it has potentially widespread
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Apr 12, 2018
Australian virologist Professor Ruth Bishop, left, discovered rotavirus in 1973. Photo source: Murdoch Children's Research Institute website. Sep 06
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Mar 19, 2018
The ROTAVAC® story   The ROTAVAC® story began more than three decades ago in India, when researchers discovered an unusual strain of rotavirus that infected newborns without making them sick. Research teams working under the bilateral Indo-US
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Dec 20, 2017
You know what makes for a really memorable holiday?   Viral diarrhea.   This year, a few days before my family was due to arrive at my parents’ house for Thanksgiving, my mom came down with a very mild case of stomach flu. She recovered within a
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Nov 10, 2017
If pneumonia and diarrhea—the two biggest infectious killers of children worldwide—were personified as serial killers, I imagine that they would look very different. Pneumonia might be tall and spindly, with long, wispy fingers. Diarrhea, on the
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May 10, 2017
This week, I am in the beautiful Balkan country of Montenegro as part of a PATH workshop with immunization decision-makers from across Eastern Europe and Central Asia. The workshop aims to equip these leaders with new cost-effectiveness analysis
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Dec 12, 2016
For non-technical viewers, data often lacks accessibility. But when data is broken down and refined through visualization, it can become a compelling storyteller and tool in evidence-based decision-making.   DefeatDD recently launched a data
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View from Table Mountain in Cape Town, South Africa
Apr 20, 2016
Here at DefeatDD, we love our home planet. We love its mountains, oceans, and rivers, and the beautiful diversity of animals and humans that inhabit it. But on Earth Day and every day, we're thinking about poop. Everyone poops, and humans have
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Oct 12, 2015
Official movie poster (copyright 20th Century Fox), with a few creative tweaks by Laura Edison.   With the recent NASA discovery of water on Mars, combined with the release of my new favorite movie, The Martian, Mars has been on my mind a lot
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Jul 22, 2015
Photo credit: FreeImages.com/monique72 Hey, book lovers! As a follow up to our summer movie list, I thought I would develop my own list for the bookworms among us—an alternative summer reading list of books ranging from whimsical, to informative,
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Apr 16, 2015
Me in December 1991, just a few weeks before getting sick. This post is part of the #ProtectingKids blog series. Read the whole series here. There was once a healthy little girl who, just a few months before her second birthday, started to feel
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