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Public Health On Call

792 - World Mosquito Day: Gene Drives and CRISPR Technology

Public Health On Call

The Johns Hopkins Bloomberg School of Public Health

News, Health & Fitness, Medicine

4.6 • 644 Ratings

🗓️ 19 August 2024

⏱️ 13 minutes

🧾️ Download transcript

Summary

About this episode:

World Mosquito Day, observed annually on August 20th, commemorates British doctor Sir Ronald Ross's discovery in 1897 that female Anopheles mosquitoes transmit malaria to humans. More than a century later, major advancements like genetically modifying mosquitoes—AKA gene drives—have the potential to reduce malaria cases and deaths dramatically, but not without hurdles. This special episode is an extended version of Malaria Minute, a podcast from the Johns Hopkins Malaria Research Institute.

Host:

Thomas Locke is the host of the Johns Hopkins Malaria Research Institute's podcast, Malaria Minute.

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Transcript

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0:00.0

Welcome to Public Health On Call, a podcast from the Johns Hopkins Bloomberg School of Public Health,

0:05.9

where we bring evidence, experience, and perspective to make sense of today's leading health challenges.

0:16.3

If you have questions or ideas for us, please send an email to Public Health Question at jh.edu.

0:23.8

That's Public Health Question at jh.edu for future podcast episodes.

0:30.6

This is Grace Asiri. In honor of World Mosquieter Day, which is observed annually on August 20th,

0:37.3

we bring you an extended episode

0:39.2

of Malaria Minute, a podcast from the Johns Hopkins Malaria Research Institute. Let's listen.

0:46.8

Over 125 years ago, scientists made a landmark discovery that female Anophilis mosquitoes were the

0:53.8

vectors of malaria, that they carried

0:56.4

infective parasites from human to human, inflicting illness and even death upon most they bite.

1:02.6

To stop the consequences, scientists figured you first need to stop the mosquito.

1:07.5

Over a century later, female anophilies mosquitoes remain the target of malaria control and prevention.

1:12.6

Bed nets that you sleep under or sprays that kill the mosquitoes around the home have become trusty tools.

1:19.6

Now, a new tool called gene drives offers a different approach.

1:24.6

They involve genetically modifying the mosquito so that they can't transmit

1:30.0

the disease. This special episode of public health on call explains how they work and how they

1:35.7

might fit within the broader context of malaria public health efforts. We ask, what are the challenges

1:41.9

of moving gene drives from the lab to the field?

1:45.0

How can researchers ensure that gene drives are safe?

1:48.2

And how can the concerns of local communities be addressed?

1:51.8

The story is told by experts from different disciplines, from different countries,

1:55.6

all working together to make gene drives a reality.

...

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