Indian-made 'freeze-free' vaccine carrier to undergo field trials

Agencies
February 9, 2018

New Delhi, Feb 9: This week, the first commercially available freeze-free vaccine carrier will begin introductory field trials in Nepal. This follows the World Health Organisation (WHO) announcement that the Indian-made carrier using PATH's "Freeze-Safe" reference design passed WHO Performance, Quality, and Safety (PQS) laboratory tests for User Independent Freeze Prevention, which prequalifies it for use in global immunisation programs.

This is the first low-cost carrier innovation available to address the widespread and long-standing problem of vaccines freezing in the cold chain during the "last mile" of outreach to infants and children.

Currently in low - and middle - income countries, health workers carry millions of temperature-sensitive vaccines next to ice packs inside vaccine carriers to reduce heat exposure, but this risks freezing the vaccines if ice packs are not conditioned (carefully warmed to around 0°C).

Freezing can irreversibly compromise vaccine potency, resulting in inadequate protection from disease for people receiving vaccines. When health workers suspect temperature damage, the vaccine or medication is often discarded - at great cost to health care programs.

PATH's breakthrough solution mitigates the risk of vaccines being damaged by freezing or heat in carriers and eliminates the step of conditioning ice packs, reducing health worker burden. Frozen ice packs can be inserted immediately into the carrier thanks to a built-in barrier that shields the vaccines from reaching negative temperatures and excessive heat.

Many of the newer vaccines that protect children and infants from life-threatening diseases and infections, such as for human papillomavirus, pneumonia, and rotavirus, are freeze sensitive and cost far more than other vaccines. In 2015, the United Nations Children's Fund (UNICEF) procured approximately USD 1.7 billion worth of vaccines for immunization programs, of which more than USD 1.2 billion were freeze sensitive.

"Our priority is maintaining vaccine potency for the millions of people living in remote communities. In the future, vaccine carriers that prevent freezing will become the new standard for immunization programs," said Pat Lennon, who leads the cold chain team at PATH.

In order to rapidly accelerate introduction of this innovation, PATH put the Freeze-Safe reference design into the public domain for any manufacturer to use in their vaccine carrier products.

PATH staff in Seattle and New Delhi, India, has provided technical advice to three product manufacturers who have adopted the technology. India-based AOV International's product AFVC46 is the first carrier to receive WHO-PQS approval and will be available for purchase through the UNICEF Supply Division catalog.

"The Freeze-Safe vaccine carrier is a great example of Indian industry helping solve a global public health challenge. This 'Made in India' freeze-preventive vaccine carrier can help health workers in India and globally to administer lifesaving vaccines that do not freeze and could help save millions of lives," said Neeraj Jain, Country Director of PATH's India country program.

PATH estimates that more than 2 million new and replacement carriers will be needed by 2020 for the 73 Gavi-member countries. To accelerate scale-up of the Freeze-Safe innovation, PATH is conducting field trials, supporting efforts to integrate the carriers into existing health systems, and working with manufacturers as well as adapting the innovation for use in other cold chain equipment.

"Vaccine carriers that prevent vaccines from freezing while in transit and yet are low cost and easy to use can save millions of children's lives. These are exactly the type of cutting-edge solutions we need to immunize every child," said Dr. Benjamin Schreiber, Deputy Immunization at UNICEF.

PATH has worked to advance technologies, policies, and programs to address vaccine freezing issues across the supply chain from formulation to the last mile since 1996, and on the Freeze-Safe innovation since 2012. This work aligns with UNICEF; Gavi, the Vaccine Alliance; and WHO strategies to maintain vaccine potency and improve immunization cost efficiencies and coverage.

This project was made possible with support from the Bill & Melinda Gates Foundation.

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Agencies
January 12,2020

Washington D.C., Jan 12: Disruption in one night's sleep can lead to getting Alzheimer's disease, a recent study has stated.

The interruption in the sound sleep for a single night aggravates the level of tau protein in any young male's body, thus gives rise to the chances of developing the disease.

According to CNN, the report was published on Wednesday in neurology, the medical journal of the American Academy of Neurology.

"Our study focuses on the fact that even in young, healthy individuals, missing one night of sleep increases the level of tau in blood suggesting that over time, such sleep deprivation could possibly have detrimental effects," says study author Dr Jonathan Cedernaes, a neurologist at Uppsala University in Sweden.

As defined by the Alzheimer's Association, tau is the name of a protein that helps in stabilizing the internal structure of the brain's nerve cells. An abnormal build-up of tau protein in the body can end up in causing interior cells to fall apart and eventually developing Alzheimer's.

"When you get more of that deep sleep and you get the REM sleep in the normal amounts, that improves clearance of abnormal proteins which we think is good," said Mayo Clinic neurologist Dr Donn Dexter, not the study author but a fellow of the American Academy of Neurology.

Earlier studies have also shown that getting deprived of sleep can allow higher tau development and accumulation. Thus that poor sleep can hasten the development of cognitive issues.

Researchers caution that the study is small and inconclusive, and acknowledged they were not able to determine what the increased levels might mean.

"This study raises more questions than answers," agreed Dexter on a concluding note, sharing, "What this is telling us is that we have to dig more deeply. Despite something we do for a third of our lives, we know so little about sleep and we're learning every day, particularly when it comes to sleep and dementia."

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Agencies
June 23,2020

The record levels of new daily COVID-19 cases are due to the fact that the pandemic is peaking in a number of big countries at the same time and reflect a change in the virus' global activity, the World Health Organisation said.

At a media briefing on Monday, WHO's emergencies chief Dr Michael Ryan said that the numbers are increasing because the epidemic is developing in a number of populous countries at the same time.

Some countries have attributed their increased caseload to more testing, including India and the US But Ryan dismissed that explanation.

We do not believe this is a testing phenomenon, he said, noting that numerous countries have also noted marked increases in hospital admissions and deaths neither of which cannot be explained by increased testing.

There definitely is a shift in that the virus is now very well established, Ryan said. The epidemic is now peaking or moving towards a peak in a number of large countries.

He added the situation was definitely accelerating in a number of countries, including the US and others in South Asia, the Middle East and Africa.

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Agencies
June 12,2020

Global poverty could rise to over one billion people due to the COVID-19 pandemic and more than half of the 395 million additional extreme poor would be located in South Asia, which would be the hardest-hit region in the world, according to a new report.

Researchers from King's College London and Australian National University published the new paper with the United Nations University World Institute for Development Economics Research (UNU-WIDER) said that poverty is likely to increase dramatically in middle-income developing countries and there could be a significant change in the distribution of global poverty.

The location of global poverty could shift back towards developing countries in South Asia and East Asia, the report said.

The paper, 'Precarity and the Pandemic: COVID-19 and Poverty Incidence, Intensity and Severity in Developing Countries,' finds that extreme poverty could rise to over one billion people globally as a result of the crisis.

The cost of the crisis in lost income could reach USD 500 million per day for the world's poorest people, and the intensity and severity of poverty are likely to be exacerbated dramatically.

The report said that based on the USD 1.90 a day poverty line and a 20 per cent contraction, more than half of the 395 million additional extreme poor would be located in South Asia, which would become the hardest hit region in the world mainly driven by the weight of populous India followed by sub-Saharan Africa which would comprise 30 per cent, or 119 million, of the additional poor.

The report added that as the value of the poverty line increases, a larger share of the additional poor will be concentrated in regions where the corresponding poverty line is more relevant given the average income level.

For instance, the regional distribution of the world's poor changes drastically when looking at the USD 5.50 a day poverty line the median poverty line among upper-middle-income countries.

At this level, almost 41 per cent of the additional half a billion poor under a 20 per cent contraction scenario would live in East Asia and the Pacific, chiefly China; a fourth would still reside in South Asia; and a combined 18 per cent would live in the Middle East and North Africa (MENA) and in Latin America and the Caribbean (LAC), whose individual shares are close to that recorded for sub-Saharan Africa.

India plays a significant role in driving the potential increases in global extreme poverty documented previously, comprising almost half the estimated additional poor regardless of the contraction scenario, the report said.

Nonetheless, there are other populous, low and lower-middle- income countries in South Asia, sub-Saharan Africa, and East Asia and the Pacific accounting for a sizeable share of the estimates: Nigeria, Ethiopia, Bangladesh, and Indonesia come next, in that order, concentrating a total of 18 19 per cent of the new poor, whereas the Democratic Republic of Congo, Tanzania, Pakistan, Kenya, Uganda, and the Philippines could jointly add 11 12 per cent.

Taken together, these figures imply that three quarters of the additional extreme poor globally could be living in just ten populous countries.

The report added that this high concentration of the additional extreme poor is staggering , although not necessarily unexpected given the size of each country's population.

On one hand, data shows that three of these ten countries (Ethiopia, India, and Nigeria) were among the top ten by number of extreme poor people in 1990 and remained within the ranks of that group until 2018.

Despite this crude fact, two of these countries have managed to achieve a sustained reduction in their incidence of poverty since the early 1990s, namely Ethiopia and India, reaching their lowest poverty headcount ratio ever recorded at about 22 and 13 per cent, respectively. Nonetheless, the potential contraction in per capita income/consumption imposed by the pandemic's economic effects could erase some of this progress.

The researchers are now calling for urgent global leadership from the G7, G20, and the multilateral system, and propose a three-point plan to address the impact of the COVID-19 on global poverty quickly.

Professor of International Development at King's College London and a Senior Non-Resident Research Fellow at UNU-WIDER Andy Sumner said the COVID-19 crisis could take extreme poverty back over one billion people because millions of people live just above poverty.

Millions of people live in a precarious position one shock away from poverty. And the current crisis could be that shock that pushes them into poverty.

Professor Kunal Sen, Director of UNU-WIDER said the new estimates about the level of poverty in the world and the cost of the COVID-19 pandemic to the world's poor are sobering.

We cannot stand by and see the hard work and effort of so many be eradicated. We will know what the real impact is in time, but the necessary action to ensure we achieve the Sustainable Development Goals by 2030 needs to be planned now, Sen said.

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