A Challenge Trial for COVID-19 Would Not Be the First of Its Kind
A Challenge Trial for COVID-19 Would Not Be the First of Its Kind
Although scientists debate the ethics of deliberately infecting volunteers with SARS-CoV-2, plenty of consenting participants have been exposed to all sorts of pathogens in prior trials.
A Challenge Trial for COVID-19 Would Not Be the First of Its Kind
A Challenge Trial for COVID-19 Would Not Be the First of Its Kind

Although scientists debate the ethics of deliberately infecting volunteers with SARS-CoV-2, plenty of consenting participants have been exposed to all sorts of pathogens in prior trials.

Although scientists debate the ethics of deliberately infecting volunteers with SARS-CoV-2, plenty of consenting participants have been exposed to all sorts of pathogens in prior trials.

dengue
Bacteria-Laced Mosquitoes Limit Spread of Dengue
Bacteria-Laced Mosquitoes Limit Spread of Dengue
Amanda Heidt | Aug 28, 2020
Cases of dengue were greatly reduced in areas of a city where Wolbachia-infected mosquitos were released, according to preliminary data from a field study.
Zika Infection Increases Risk of Severe Dengue Fever
Zika Infection Increases Risk of Severe Dengue Fever
Ruth Williams | Aug 27, 2020
A study of Nicaraguan children links prior Zika virus infection with aggravated dengue fever symptoms.
750 Million GM Mosquitoes Will Be Released in the Florida Keys
750 Million GM Mosquitoes Will Be Released in the Florida Keys
Lisa Winter | Aug 21, 2020
There have been no reports of health or environmental harm in other locations where genetically modified mosquitoes have been introduced over the last decade.
For the Greater Good: A Profile of Eva Harris
For the Greater Good: A Profile of Eva Harris
Diana Kwon | Jul 13, 2020
Through groundbreaking studies on dengue and efforts to build scientific infrastructure in Latin America, the University of California, Berkeley, professor has bridged research with its benefits to society.
COVID-19 Vaccine Researchers Mindful of Immune Enhancement
COVID-19 Vaccine Researchers Mindful of Immune Enhancement
Katarina Zimmer | May 26, 2020
There is no evidence that any of the coronavirus vaccines in development worsen a coronavirus infection rather than confer immunity to it, but the phenomenon is something scientists are closely monitoring.
Dengue Cases Drop After Bacteria-Infected Mosquitoes Released
Dengue Cases Drop After Bacteria-Infected Mosquitoes Released
Emily Makowski | Nov 22, 2019
Aedes aegypti infected with Wolbachia—which inhibit transmission of the dengue virus from insect to human—were deployed in Indonesia, Vietnam, Brazil, and Australia.
Dengue Vaccine Trial Results Show Promise, with Caveats
Dengue Vaccine Trial Results Show Promise, with Caveats
Shawna Williams | Nov 8, 2019
TAK-003 appears to avoid the safety issues seen with an existing vaccine, but experts say a longer evaluation is needed.
GM Mosquito Progeny Not Dying in Brazil: Study
GM Mosquito Progeny Not Dying in Brazil: Study
Kerry Grens | Sep 17, 2019
The biotech Oxitec had released the genetically engineered insects with the hope that they would breed with wild populations and produce offspring that die young. But that’s not always happening.
Combination Strategy Nearly Eliminates Invasive Mosquitoes in Field
Combination Strategy Nearly Eliminates Invasive Mosquitoes in Field
Abby Olena | Jul 17, 2019
Researchers use two techniques—Wolbachia infection and irradiation—to suppress reproduction in populations of Asian tiger mosquitoes at two study sites in China.