Shazaad Y. Ahmad

Cost-effectiveness of emergency department opt-out testing for HIV in England: a modelling study.

Journal: The lancet. HIV

Published: February 02, 2026

First use of Trumenba (MenB-fHbp) vaccine to control a nursery outbreak of serogroup B invasive meningococcal disease involving children previously immunised with Bexsero (4CMenB), England, November 2023.

Journal: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin

Published: January 23, 2026

A randomized controlled Phase I de-escalation trial of molnupiravir and nirmatrelvir/ritonavir combination for mild-moderate SARS-CoV-2 infection.

Journal: The Journal of antimicrobial chemotherapy

Published: November 19, 2025

Symptoms predicting the onset and duration of SARS-CoV-2 infectiousness: a community cohort study.

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

Published: November 13, 2025

Symptoms predicting the onset and duration of SARS-CoV-2 infectiousness: A community cohort study.

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

Published: November 13, 2025

Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025.

Journal: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin

Published: August 08, 2025

Is there a need to repeat single assay reactive HIV screens? A review of practice in two UK sites.

Journal: Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology

Published: July 16, 2025

Vaccine effectiveness of a bivalent respiratory syncytial virus (RSV) pre-F vaccine against RSV-associated hospital admission among adults aged 75-79 years in England: a multicentre, test-negative, case-control study.

Journal: The Lancet. Infectious diseases

Published: June 13, 2025

Inferring transmission risk of respiratory viral infection from the viral load kinetics of SARS-CoV-2, England, 2020 to 2021 and influenza A virus, Hong Kong, 2008 to 2012.

Journal: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin

Published: February 14, 2025

Rapid emergence of transmissible SARS-CoV-2 variants in mild community cases.

Journal: Microbiology spectrum

Published: March 14, 2024

Cost-effectiveness of emergency department opt-out testing for HIV in England: a modelling study.

Cost-effectiveness of emergency department opt-out testing for HIV in England: a modelling study.

First use of Trumenba (MenB-fHbp) vaccine to control a nursery outbreak of serogroup B invasive meningococcal disease involving children previously immunised with Bexsero (4CMenB), England, November 2023.

First use of Trumenba (MenB-fHbp) vaccine to control a nursery outbreak of serogroup B invasive meningococcal disease involving children previously immunised with Bexsero (4CMenB), England, November 2023.

A randomized controlled Phase I de-escalation trial of molnupiravir and nirmatrelvir/ritonavir combination for mild-moderate SARS-CoV-2 infection.

A randomized controlled Phase I de-escalation trial of molnupiravir and nirmatrelvir/ritonavir combination for mild-moderate SARS-CoV-2 infection.

Symptoms predicting the onset and duration of SARS-CoV-2 infectiousness: a community cohort study.

Symptoms predicting the onset and duration of SARS-CoV-2 infectiousness: a community cohort study.

Symptoms predicting the onset and duration of SARS-CoV-2 infectiousness: A community cohort study.

Symptoms predicting the onset and duration of SARS-CoV-2 infectiousness: A community cohort study.

Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025.

Increase in serogroup W invasive meningococcal disease in England associated with pilgrimage to Saudi Arabia, January 2024 to June 2025.

Is there a need to repeat single assay reactive HIV screens? A review of practice in two UK sites.

Is there a need to repeat single assay reactive HIV screens? A review of practice in two UK sites.

Vaccine effectiveness of a bivalent respiratory syncytial virus (RSV) pre-F vaccine against RSV-associated hospital admission among adults aged 75-79 years in England: a multicentre, test-negative, case-control study.

Vaccine effectiveness of a bivalent respiratory syncytial virus (RSV) pre-F vaccine against RSV-associated hospital admission among adults aged 75-79 years in England: a multicentre, test-negative, case-control study.

Burden of respiratory syncytial virus infection in older adults hospitalised in England during 2023/24.

Burden of respiratory syncytial virus infection in older adults hospitalised in England during 2023/24.

The tear production of tecovirimat in a single hospitalized mpox patient: a pharmacokinetic analysis.

The tear production of tecovirimat in a single hospitalized mpox patient: a pharmacokinetic analysis.

Inferring transmission risk of respiratory viral infection from the viral load kinetics of SARS-CoV-2, England, 2020 to 2021 and influenza A virus, Hong Kong, 2008 to 2012.

Inferring transmission risk of respiratory viral infection from the viral load kinetics of SARS-CoV-2, England, 2020 to 2021 and influenza A virus, Hong Kong, 2008 to 2012.

Rapid emergence of transmissible SARS-CoV-2 variants in mild community cases.

Rapid emergence of transmissible SARS-CoV-2 variants in mild community cases.