WHO to identify pathogens that may be responsible for future outbreaks and pandemics | The Financial Express

WHO to identify pathogens that may be responsible for future outbreaks and pandemics

The current list includes COVID-19, Crimean-Cong haemorrhagic fever, Ebola virus disease and Marburg virus disease, Lassa fever, Middle East respiratory syndrome (MERS) and severe acute respiratory syndrome (SARS), Nipah and henipaviral diseases, Rift Valley fever, Zika and Disease X.

WHO to identify pathogens that may be responsible for future outbreaks and pandemics
SBest-practices in trans fat elimination policies follow specific criteria established by WHO and limit industrially produced trans fat in all settings. (File)

The World Health Organization (WHO) on Tuesday announced that it is launching a global scientific process to update the list of priority pathogens—agents that can cause outbreaks or pandemics.

According to the global health agency, this step is being taken to guide global investment, research, and development (R&D), especially in vaccines, tests, and treatments.

Starting with a meeting held last Friday, WHO is convening over 300 scientists who will consider the evidence on over 25 virus families and bacteria, as well as “Disease X.”

Disease X is included to indicate an unknown pathogen that could cause a serious international epidemic. The experts will recommend a list of priority pathogens that need further research and investment. According to WHO, the process will include both scientific and public health criteria, as well as criteria related to socioeconomic impact, access, and equity.

The list was first published in 2017 and the last prioritisation exercise was done in 2018. The current list includes COVID-19, Crimean-Cong haemorrhagic fever, Ebola virus disease and Marburg virus disease, Lassa fever, Middle East respiratory syndrome (MERS) and severe acute respiratory syndrome (SARS), Nipah and henipaviral diseases, Rift Valley fever, Zika and Disease X.

“Targeting priority pathogens and virus families for research and development of countermeasures is essential for a fast and effective epidemic and pandemic response. Without significant R&D investments prior to the COVID-19 pandemic, it would not have been possible to have safe and effective vaccines developed in record time,” said Dr Michael Ryan, Executive Director of WHO’s Health Emergencies Programme.

For those pathogens identified as a priority, the WHO R&D Blueprint for epidemics develops R&D roadmaps, which lay out knowledge gaps and research priorities.

According to the agency, on the basis of requirements and target product profiles, which inform developers about the desired specifications for vaccines, treatments, and diagnostic tests, are developed. Efforts are also made to map, compile and facilitate clinical trials to develop these tools. Complimentary efforts – such as to strengthen regulatory and ethics oversight – are also considered, it stated.

“This list of priority pathogens has become a reference point for the research community on where to focus energies to manage the next threat,” said Dr Soumya Swaminathan, WHO Chief Scientist. “It is developed together with experts in the field and is the agreed direction for where we—as a global research community—need to invest energy and funds to develop tests, treatments, and vaccines. We thank our donors like the US government, our partners, and the scientists who work with WHO to make this possible.”

The global health body informed that the revised list is expected to be published in the first quarter of 2023.

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First published on: 23-11-2022 at 11:47 IST