Violet Ankunda

Affiliations

Pathogen Genomics, Phenotype, and Immunity Program, Medical Research Council, Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine, Uganda Research Unit, Entebbe, Uganda.

Publications (11)

Spike protein is a key target for stronger and more persistent T-cell responses-a study of mild and asymptomatic SARS-CoV-2 infection.

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

Avec: Ivan Ssali , Susan Mugaba , Arthur Kalyebi Watelo , Juliana Bemanzi , Joseph Ssebwana Katende , Gerald Kevin Oluka , Violet Ankunda , Claire Baine , Laban Kato , Auteur inconnu , Nathan Onyachi , Moses Muwanga , Mark Jjuuko , John Kayiwa , Christopher Nsereko , Betty Oliver Auma , Daniela Weiskopf , Alessandro Sette , Tom Lutalo , Monica Musenero , Pontiano Kaleebu , Jennifer Serwanga

An Optimised Indirect ELISA Protocol for Detection and Quantification of Anti-viral Antibodies in Human Plasma or Serum: A Case Study Using SARS-CoV-2.

Bio-protocol

Avec: Claire Baine , Jackson Sembera , Gerald Kevin Oluka , Joseph Ssebwana Katende , Violet Ankunda , Jennifer Serwanga

Optimisation and Validation of a conventional ELISA and cut-offs for detecting and quantifying anti-SARS-CoV-2 Spike, RBD, and Nucleoprotein IgG, IgM, and IgA antibodies in Uganda.

Frontiers in immunology

Avec: Gerald Kevin Oluka , Patricia Namubiru , Laban Kato , Violet Ankunda , Ben Gombe , Matthew Cotten , Auteur inconnu , Monica Musenero , Pontiano Kaleebu , Julie Fox , Jennifer Serwanga

The subdued post-boost spike-directed secondary IgG antibody response in Ugandan recipients of the Pfizer-BioNTech BNT162b2 vaccine has implications for local vaccination policies.

Frontiers in immunology

Avec: Violet Ankunda , Joseph Ssebwana Katende , Gerald Kevin Oluka , Jackson Sembera , Claire Baine , Geoffrey Odoch , Peter Ejou , Laban Kato , Auteur inconnu , Pontiano Kaleebu , Jennifer Serwanga

Seroprevalence and durability of antibody responses to AstraZeneca vaccination in Ugandans with prior mild or asymptomatic COVID-19: implications for vaccine policy.

Frontiers in immunology

Avec: Jennifer Serwanga , Claire Baine , Susan Mugaba , Violet Ankunda , Betty Oliver Auma , Gerald Kevin Oluka , Laban Kato , Isaac Kitabye , Jackson Sembera , Geoffrey Odoch , Peter Ejou , Amina Nalumansi , Ben Gombe , Monica Musenero , Pontiano Kaleebu

Persistent and robust antibody responses to ChAdOx1-S Oxford-AstraZeneca (ChAdOx1-S, Covishield) SARS-CoV-2 vaccine observed in Ugandans across varied baseline immune profiles.

PloS one

Avec: Jennifer Serwanga , Gerald Kevin Oluka , Claire Baine , Violet Ankunda , Jackson Sembera , Laban Kato , Joseph Ssebwana Katende , Geoffrey Odoch , Betty Oliver Auma , Ben Gombe , Auteur inconnu , Monica Musenero , Pontiano Kaleebu

Rapid, early, and potent Spike-directed IgG, IgM, and IgA distinguish asymptomatic from mildly symptomatic COVID-19 in Uganda, with IgG persisting for 28 months.

Frontiers in immunology

Avec: Jennifer Serwanga , Violet Ankunda , Jackson Sembera , Laban Kato , Gerald Kevin Oluka , Claire Baine , Geoffrey Odoch , John Kayiwa , Betty Oliver Auma , Mark Jjuuko , Christopher Nsereko , Matthew Cotten , Nathan Onyachi , Moses Muwanga , Tom Lutalo , Julie Fox , Monica Musenero , Pontiano Kaleebu , Auteur inconnu

Sustained S-IgG and S-IgA antibodies to Moderna's mRNA-1273 vaccine in a Sub-Saharan African cohort suggests need for booster timing reconsiderations.

Frontiers in immunology

Avec: Jennifer Serwanga , Violet Ankunda , Joseph Ssebwana Katende , Claire Baine , Gerald Kevin Oluka , Geoffrey Odoch , Hellen Nantambi , Susan Mugaba , Angella Namuyanja , Ivan Ssali , Peter Ejou , Laban Kato , Auteur inconnu , Monica Musenero , Pontiano Kaleebu

Sustained spike-specific IgG antibodies following CoronaVac (Sinovac) vaccination in sub-Saharan Africa, but increased breakthrough infections in baseline spike-naive individuals.

Frontiers in immunology

Avec: Jackson Sembera , Claire Baine , Violet Ankunda , Joseph Ssebwana Katende , Gerald Kevin Oluka , Christine Hermilia Akoli , Laban Kato , Geoffrey Odoch , Peter Ejou , Solomon Opio , Monica Musenero , Auteur inconnu , Pontiano Kaleebu , Jennifer Serwanga

Pre-pandemic SARS-CoV-2-specific IFN-γ and antibody responses were low in Ugandan samples and significantly reduced in HIV-positive specimens.

Frontiers in immunology

Avec: Hellen Nantambi , Jackson Sembera , Violet Ankunda , Ivan Ssali , Arthur Watelo Kalyebi , Gerald Kevin Oluka , Laban Kato , Bahemuka Ubaldo , Freddie Kibengo , Joseph Ssebwana Katende , Ben Gombe , Claire Baine , Geoffrey Odoch , Susan Mugaba , Obondo James Sande , Auteur inconnu , Pontiano Kaleebu , Jennifer Serwanga

The single-dose Janssen Ad26.COV2.S COVID-19 vaccine elicited robust and persistent anti-spike IgG antibody responses in a 12-month Ugandan cohort.

Frontiers in immunology

Avec: Jennifer Serwanga , Laban Kato , Gerald Kevin Oluka , Violet Ankunda , Jackson Sembera , Claire Baine , Isaac Kitabye , Angela Namuyanja , Solomon Opio , Joseph Ssebwana Katende , Peter Ejou , Auteur inconnu , Pontiano Kaleebu

Réseau de co-auteurs

Gerald Kevin Oluka 11 collaborations

Jennifer Serwanga 11 collaborations

Claire Baine 10 collaborations

Laban Kato 10 collaborations

Pontiano Kaleebu 10 collaborations

None None 9 collaborations

Joseph Ssebwana Katende 8 collaborations

Jackson Sembera 8 collaborations

Monica Musenero 7 collaborations

Geoffrey Odoch 7 collaborations

Peter Ejou 5 collaborations

Susan Mugaba 4 collaborations

Betty Oliver Auma 4 collaborations

Ben Gombe 4 collaborations

Ivan Ssali 3 collaborations

Nathan Onyachi 2 collaborations

Moses Muwanga 2 collaborations

Mark Jjuuko 2 collaborations

John Kayiwa 2 collaborations

Christopher Nsereko 2 collaborations

Tom Lutalo 2 collaborations

Matthew Cotten 2 collaborations

Julie Fox 2 collaborations

Isaac Kitabye 2 collaborations

Hellen Nantambi 2 collaborations

Solomon Opio 2 collaborations

Arthur Kalyebi Watelo 1 collaboration

Juliana Bemanzi 1 collaboration

Daniela Weiskopf 1 collaboration

Alessandro Sette 1 collaboration

Patricia Namubiru 1 collaboration

Amina Nalumansi 1 collaboration

Angella Namuyanja 1 collaboration

Christine Hermilia Akoli 1 collaboration

Arthur Watelo Kalyebi 1 collaboration

Bahemuka Ubaldo 1 collaboration

Freddie Kibengo 1 collaboration

Obondo James Sande 1 collaboration

Angela Namuyanja 1 collaboration