In reaction to the coronavirus disease 2019 (COVID-19) pandemic, several vaccines have been produced and distributed at an unprecedented rate. However, cargo issues have limited vaccine delivery in many parts of the emerging world.
A new study published in the journal Nature reports on the good fortune of Sierra Leone’s COVID-19 vaccination program, which is based on a simple, cost-effective, and scalable intervention that improves vaccines.
COVID-19 vaccines were first rolled out in December 2020. However, as of March 2022, only 15% of the population in low-income countries (SCIs) had received at least one dose, compared to 80% in high-income countries (LIFs). ). .
The dangers associated with a low vaccination policy carry the possibility of surges and upcoming lockdowns, unemployment, loss of income, food insecurity, and the emergence of harmful new variants and subvariants.
As of March 2022, only one-third of Africa’s population had received a single dose of the COVID-19 vaccine. In Sierra Leone, previous studies have shown that, on average, a user has up to seven hours to access a vaccine dose and load. access to the vaccine is equivalent to one week’s salary.
In partnership with Sierra Leone’s Ministry of Health and Sanitation (MoHS) and the foreign non-governmental organization (NGO) Concern Worldwide, the authors of this study designed and implemented an intervention to distribute vaccines to remote villages. First permission was requested from the local network, followed by efforts to mobilize the network in the vaccination initiative.
The existing intervention was a randomised controlled trial (RCT) in rural Sierra Leone involving 150 villages. All those pieces were outdoors within a five-kilometer radius of the Primary Health Units (PHUs) supplying COVID-19 vaccines in the region. One hundred villages participated in the intervention, 50 of which served as witnesses.
The villages were small, with about two hundred Americans per village, with a total of just over 20,000 Americans participating in the trial. The median age of those Americans was 22, with about 75% of households headed by men. profession of the head of household in 86% of cases.
The first day of the intervention focused on mobilizing the network with all village elders and political leaders, young and devout, with the assistance of volunteers from the Ministry of Health. That evening, a network assembly was held to inform the public about the vaccine, its safety. , effectiveness and importance, as well as answering questions.
The next day, he pledged to set up the transitional vaccination site with vaccine deliverers, Ministry of Health staff for knowledge gathering and vaccine doses. Vaccines would be available for the next two to three days, from sunrise to sunset, and the mobilization of the network continued. Proven methods include single-family homes, door-to-door visits, small groups, or randomly chosen homes.
The vaccination rate increased from nine to 55 people in two to three days, and the vaccination rate increased by 26 percentage points. The initiative attracted a large number of people from neighbouring areas and passing through. In total, about 5,000 people were vaccinated.
Initially, the average vaccination rate was 6 per cent and 9 per cent in control and treated villages, respectively. After the intervention, remedy villages reported a 30% vaccination rate, which reached more than 70% in December 2022, with only about 8 million doses. delivered in March 2023.
About 65% of those who attended the gatherings were vaccinated, compared to 40% of non-attendees. By contrast, about 53% of participants who were unwilling to get vaccinated first did so after attending the meetings, compared to only 14% of non-participants.
The cost of each vaccine dose administered is about $33. If repeated with the same selected and trained volunteers, this cost would be reduced to approximately $23 per year, facilitating national or large-scale efforts.
Compared to more than 200 interventions conducted over the course of 144 RCTs, adding monetary and other incentives, social motivation and network participation, the intervention analysed in the supply-side study produced a greater effect than 95% of the others at a lower cost.
These findings suggest that low vaccination rates are linked to gaps in access and that a cost-effective intervention must bridge this gap.
The technique employed in this study may have significant effects on international public health by encouraging distribution systems to vaccinate remote communities if Americans are successful at vaccine distribution centers. In Bangladesh, similar efforts increased childhood immunization rates from 1% in the early 1980s to more. 70% in the 1990s.
Combining interventions for maternal and child fitness may also reduce the prices of providing fitness services, as transport to remote spaces accounted for a significant portion of related prices. Therefore, offering access to remote spaces in low-income countries is essential to sell the vaccination of the youngest. 50% of the population.
Leading behavioral scientists have recently stated that we focus excessively on the peculiarities of individual behavior (i-frames) to the detriment of systemic responses (“s-frames”).
The current study demonstrates the surprising effectiveness and cost-effectiveness of a network-based vaccination intervention that has benefited the local network and neighboring and migrant populations. Future programs of the method used in this study have the potential to improve immunization rates and achieve close immunization rates. universal policy to ultimately increase vaccine equity.
Written by
Dr. Liji Thomas is an obstetrician-gynecologist who graduated from the Faculty of Government Medicine at the University of Calicut, Kerala in 2001. Liji worked as a full-time OB/GYN representative at a personal hospital for a few years after graduation. She has praised a large number of patients dealing with pregnancy-like disorders and infertility, and has had a rhythm of more than 2,000 deliveries, striving to achieve a general rather than operative delivery.
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