Completed Infection & Immunity Public Health & Healthcare

G2P – Global Knowledge Exchange to Enable In Country Risk Assessment of SARS CoV-2 Variants

In plain English

AI plain-English summary

The SARS-CoV-2 virus is still evolving, and a global network of labs is now standardising how they test new variants to guide vaccination and infection control policies in real time. This matters because the virus continues to mutate under pressure from natural immunity, vaccines, and antiviral drugs. Current risk assessments are often slow or fragmented, leaving countries without timely data to adjust their public health responses. The project also addresses a critical gap: how the virus balances immune escape with maintaining efficient transmission, and whether it can spill over into domesticated or wild animals, creating new reservoirs. If successful, this work will give countries in Africa, India, and the UK the tools to assess new variants locally, rather than relying on overseas labs. That speeds up decisions on vaccines and infection control. It also builds laboratory networks and communication systems ready for future respiratory virus outbreaks. The fundamental hamster studies on viral evolution are curiosity-driven, but they could reveal why some variants spread more easily than others—knowledge that may inform future vaccine design and pandemic preparedness.

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SARS CoV-2 continues to evolve. Novel variants are driven by high levels of global transmission and viral replication, sustained selection pressures imparted by existing immunity acquired through natural infection and vaccination, and increasing use of antivirals. Building on G2P-UK, established working partnerships between teams in the UK, Africa and India, and an ethos of free knowledge exchange, we outline 4 inter-related aims that will enable and prepare G2P-Global to evaluate the significance of emerging viral variation across 3 continents. We will: 1) Implement standardized methodologies that enable rapid in-country risk assessment of the biological and antigenic properties of SARS-CoV-2 variants of concern (VOCs), providing real-time data for guiding infection control and vaccination policies; 2) Undertake discovery-led molecular, cellular and in vivo (hamster) analyses of variant phenotypes to address the mechanistic basis for how the virus can evolve while balancing immune escape with the maintenance of efficient respiratory transmission; 3) Assess the potential for spill-overs into domesticated and wild animal species and subsequent reservoir seeding; 4) Establish communications networks and laboratory resources that will build technical and logistical preparedness enabling G2P-Global partners and additional collaborators to undertake in-country virological assessments of future respiratory virus outbreaks, and associated virus variants.

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Researchers

Annapurna Vyakarnam (EPMC Awardee)Bryan Charleston (EPMC Awardee)James Nyagwange (EPMC Awardee)Martin Antonio (EPMC Awardee)Massimo Palmarini (EPMC Awardee)Michael Malim (EPMC Awardee)Varadarajan Sundaramurthy (EPMC Awardee)Wendy Barclay (EPMC Awardee)

Related Research

Grants with similar aims, by meaning.

G2P-UK; A National Virology Consortium to address phenotypic consequences of SARSCoV-2 genomic variation
The G2P2 virology consortium: keeping pace with SARS-CoV-2 variants, providing evidence to vaccine policy, and building agility for the next pandemic
Modelling the global spread and evolution of human viral infections
Leveraging COG-UK expertise to support the global dissemination of SARS-CoV-2 genome sequencing
Defining the role of cross-protective antibodies in protection against emerging viruses at the species and sub-species level

Original classification

Directed Call - full

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