Recent resairch prentit in Vaccine an PLOS Biology unnerscores the critical need for coordinated vaccination efforts agin rabies in baith humans an dugs. The studies shaw that improvin vaccine delivery systems an thorae dug vaccination programs can significantly bring doon rabies deiths, pairticularly in law- an middle-income kintras.
A study led by resairchers fae the University o Glesga, Ifakara Halth Institute, the Centre for Epidemiological Modellin an Analysis at the University o Nairobi, the University o Edinburgh an Washington State University leuks at human rabies vaccine supply chains in Tanzania an Kenya. Supportit by the Wellcome Trust, the study pynts oot that adoptin the Warld Halth Organisation (WHO)-recommended intradermal (ID) jag method—whit enables a single vial tae treat multiple patients—can bring oweraw vaccine uise doon by mair than 55%. This method, coupled wi improved restockin strategies an decentralisin post-exposure prophylaxis (PEP) services fae central hospitals tae local clinics, can bring stockouts doon even in rural areas whaur patient visits are less aften.
Martha Luka, heid author o the study an a postgraduate resaircher at the University o Glesga, stated, “It is unacceptable that fowk are still deein fae rabies whan effective vaccines are available. By improvin stock management an adoptin dose-sparin intradermal jags, kintras can protect mair fowk wi fewer resoorces.” The study’s modellin approach, based on data fae Kenya an Tanzania, offers simple, settin-specific guidelines for determinin necessary vaccine stock levels an timins for reorderin. Kennedy Lushasi, co-author an resaircher at the Ifakara Halth Institute, cawed on policymakkers, sayin, “Ilka life lost tae rabies is a tragedy– wan we hae the tools tae stap. Let’s mak thae tools available tae awbody, awwhaur.”
In tandem, a separate study published in PLOS Biology leuks at ower twa decades o dug vaccination records in Tanzania’s Serengeti district. Led by the University o Glesga in collaboration wi the Ifakara Halth Institute an Global Animal Halth Tanzania, the resairch shaws that sustained an uniformly implemented dug vaccination programs play a vital role in controllin rabies. The study foond that districts wi thorae vaccination coverage hud less human rabies cases, whiles clusters o villages wi gaps in vaccination for mair than twa year experienced ootbraks. Dr Elaine Ferguson fae the University o Glesga’s Schuil o Biodiversity, Ane Halth & Veterinary Medicine explained, “Unfortunately rabies circulates sae widely that even if ye protect some villages for a period, it’s likely that disease will return, spreidin fae domestic dugs in nearby villages that are unvaccinated. That means dug vaccination needs tae be a concerted an coordinated effort.”
Rabies, ane o the deidliest diseases wi aroond 59,000 annual deiths globally, remains a pressin public halth challenge mainly in Africa an Asia. While effective human PEP vaccines are available, their impact is unnermined by supply chain issues, heich costs, an limited access. Meanwhiles, dug-mediated transmission remains a significant soorce o human rabies, wi the WHO reportin that near 40% o rabies victims are bairns.
The convergence o these finnins comes as Gavi, the Vaccine Alliance, begins investin in human rabies vaccines wi the ultimate goal o achievin nae human deiths fae dug-mediated rabies by 2030. Gavi’s approach involves integratin rabies jags intae national immunisation supply chains in Africa, Asia, an ither supportit regions—a strategy that maun be paired wi widespreid dug vaccination campaigns. Mumbua Mutunga, co-author an PhD Fellow at CEMA, notit, “Strategic investment an data-driven plannin as demonstrated in wir publication are no juist guid tae hae – they are critical in makkin emergency vaccines accessible, dependable, an timely.”
Thegither, these studies emphasise that a dual strategy o improvin the human vaccine supply chain an expandin thorae dug vaccination programs is essential. Wi coordinated efforts an robust plannin, the goal o eradicatin rabies by 2030 micht be in oor haun, ultimately savin lives an reducin the burden on halth systems in vulnerable communities.