health

Mosquitoes, long the enemy, are now bred to help prevent the spread of dengue fever

15 Comments
By MARÍA VERZA and MADDIE BURAKOFF

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The article makes a good work explaining the many difficulties of this measure, but even so it makes it seem quite simple compared with the literally dozens of reports about the many steps that have been necessary to develop it. Adapting the parasite, characterizing their effects in the mosquitoes, investigating any possible ecological effect, making sure the parasite is not dangerous for humans or other animals, making delicate adjustment to the populations to be released so they are not thinned out thanks to the specific adaptations of the local mosquitoes.

And then changing the whole approach when it became clear the intervention lead to a better outcome with the mosquito population still remaining just with the pathogen being washed out. The full story is very interesting even if the final results are still to be seen. At the end it is possible that in a few years the viruses may become resistant to the bacteria and a new balance reached, but even if that is the case having years with a lower burden from the arboviruses involved would still be a huge benefit, kudos to the international experts that worked hard to make this possible and all the organizations (like the WHO) that have supported the work until now.

-1 ( +6 / -7 )

How I hate mosquitos.

3 ( +8 / -5 )

We keep mosquitoes at bay using mosquito repellent. It's very effective as we never get bitten.

-1 ( +3 / -4 )

How I hate mosquitos.

WHAT? Are you sure?

0 ( +5 / -5 )

Mosquitoes when going yard work. Do you carry repellent?

-2 ( +2 / -4 )

Do you carry repellent?

I carry repellent and apply it to my body; careful to avoid my eyes and mouth. And I even apply it on my clothing. I even have some in my desk at work.

I also utilise a 蚊取り線香ケース in the "yard" which is standard in Japan for anyone who works outside in nature. Check out picture two at the link below:

https://watts-online.jp/products/11924?variant=46088165097772&currency=JPY&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&gclid=EAIaIQobChMI-oKQ-IO9gQMVGmAPAh39ewceEAQYASABEgK0gPD_BwE

These yokes are widely available and any longtime resident of Japan must have come across them. You should get a few. It might help your tomatoes.

-2 ( +1 / -3 )

I use the repellents and spray my clothing before going out to do the yard work. But I'm still bitten several times.

None of my locals use 蚊取り線香ケース.

Don't see how it would help my tomatoes. I interplant tomatoes and Basil, which is a mosquito repellent.

Nothing works 100% in the yard.

-2 ( +2 / -4 )

There are no mosquitoes in my yard

-3 ( +1 / -4 )

Mosquitos are usually less common in the cities. So you live in a house with a yard? Some areas have more mosquitos than others, especially near large water areas.

1 ( +3 / -2 )

Indeed. The Romans were the first to document the correlation between swamp like conditions and the abundance of mosquitoes. On campaigns they would avoid such areas for camp.

Don't see how it would help my tomatoes

You could apply repellent directly to them to ward off mosquitoes. Make sure you wash them before eating.

-2 ( +1 / -3 )

Chadokuga caterpillars have fine venom needles (approximately 0.1 mm long) throughout the period. The hairy-looking caterpillars (Kemushi) are toxic to touch.

-1 ( +1 / -2 )

Scratching a mosquito bite makes it itch more.

-2 ( +0 / -2 )

Climate change is mentioned in pass on the article, but it can make the importance of this measure much higher even for countries like Japan, where arboviruses are not so important for public health thanks to vaccines, this is because increase temperatures can allow overwintering of mosquitoes, combined with the continuous introduction of the pathogens it could allow for important outbreaks of Dengue Fever, one full season of Dengue fever in Tokyo would be disastrous.

-4 ( +1 / -5 )

Velayudhan and other experts from the WHO plan to publish a recommendation as early as this month to promote further testing of the Wolbachia strategy in other parts of the world.

No thanks. The WHO has had constantly failing malaria and dengue programs for decades, while actual medical authorities in Australia and the CDC in the USA have virtually eradicated those diseases.

-1 ( +2 / -3 )

The programs against vector borne diseases of the WHO represent the only real advance against the disease in a global scale, even local programs like those in Australia and the US are heavily supported by the WHO both in resources and in scientific information.

0 ( +1 / -1 )

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