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01 / 05
Bangladesh Achieves Milestone by Eliminating Kala-Azar

World Health Organization | Communicable Disease

Bangladesh Achieves Milestone by Eliminating Kala-Azar

“Kala-azar, the most severe form of leishmaniasis, is a life-threatening disease caused by Leishmania spp. parasites transmitted by infected female phlebotomine sandflies. It affects the most disadvantaged rural communities, among whom poverty, poor housing conditions, malnutrition, genetic factors and other infectious diseases are major risk factors. Kala-azar leads to symptoms such as fever, weight loss, spleen and liver enlargement, and, if left untreated, can prove fatal in over 95% of cases.

Bangladesh was successfully validated by WHO based on the fact that the number of reported cases of visceral leishmaniasis was below 1 per 10 000 population in each of the country’s subdistricts for at least 3 consecutive years.”

From World Health Organization.

World Health Organization | Communicable Disease

Burundi Eliminates Trachoma as a Public Health Problem

“The World Health Organization (WHO) has validated Burundi as having eliminated trachoma as a public health problem, making it the eighth country in WHO’s African Region to reach this important milestone…

Trachoma is caused by the bacterium Chlamydia trachomatis and spreads through personal contact, contaminated surfaces and by flies that have been in contact with eye or nose discharge. Repeated infections can lead to scarring, in-turning of the eyelids, and ultimately blindness. Globally, the disease remains endemic in many vulnerable communities where access to clean water and sanitation is limited.”

From World Health Organization.

BBC | Vaccination

World-First Gonorrhoea Vaccine Launched by NHS England

“England will be the first country in the world to start vaccinating people against the sexually transmitted infection gonorrhoea.

It will not be available for everyone. The focus will mainly be on gay and bisexual men with a history of multiple sexual partners or an STI.

The vaccine is 30-40% effective, but NHS England hopes it will reverse soaring numbers of infections.

There were more than 85,000 cases in 2023 – the highest since records began in 1918.”

From BBC.

Vox | Communicable Disease

Scientists Are Dropping Mosquitoes Into Hawaii to Fight Malaria

“For more than a year now, a group of environmental organizations have been dropping biodegradable containers of mosquitoes into honeycreeper habitats on Maui and Kauai from helicopters. Now they’re starting to do it with giant drones. The containers fall to the ground without a top, and when they land the insects escape into the forest.

Critically, these are not your typical mosquitoes. They’re all males, which don’t bite, that have been reared in a lab. More importantly, they contain a strain of bacteria called wolbachia that interferes with reproduction: When those males mate with females in the area, their eggs fail to hatch. (That’s thanks to a bit of biology magic, referred to as the incompatible insect technique, or IIT.) 

The idea is to continually release these special males into honeycreeper habitat where malaria is spreading as a way to erode the population of biting mosquitoes — and thus suppress the spread of disease. The approach has little ecological downside, said Chris Farmer, Hawaii program director at American Bird Conservancy, a conservation group that’s leading the drone effort. Mosquitoes are not native, so local ecosystems and species don’t rely on them.”

From Vox.

ABC News | Communicable Disease

Swiss Medicines Authority Approves Antimalarial Drug for Treatment of Infants

“Switzerland’s medical products authority has granted the first approval for a malaria medicine designed for small infants, touted as an advance against a disease that takes hundreds of thousands of lives — nearly all in Africa — each year.

Swissmedic gave a green light Tuesday for the medicine from Basel-based pharmaceutical company Novartis for treatment of babies with body weights between 2 and 5 kilograms (nearly 4½ to 11 pounds), which could pave the way for hard-hit African nations to follow suit in coming months…

Up to now, antimalarial drugs designed for older children have been administered to small infants in careful ways to avoid overdose or toxicity, in what Bassat called a ‘suboptimal solution’ that the newly designed medicine could help rectify.”

From ABC News.