ChAdOx1 nCoV-19 vaccine for SARS-CoV-2 – Authors' reply by Voysey, M, Pollard, AJ

ChAdOx1 nCoV-19 vaccine: asymptomatic efficacy estimates - author's reply by Voysey, M, Pollard, AJ

Typhoid conjugate vaccines: a step towards typhoid control by Shakya, M, Pollard, AJ

Detection of poliovirus in London highlights the value of sewage surveillance by Hill, M, Pollard, AJ

A guide to vaccinology: from basic principles to new developments by Pollard, AJ, Bijker, EM

Elimination of typhoid: possibility or pipe dream? by Purcell, R, Pollard, AJ

Vaccine communication in a digital society by Thomas, TM, Pollard, AJ

Emergence of vaccine-derived poliovirus in high-income settings in the absence of oral polio vaccine use by Hill, M, Bandyopadhyay, AS, Pollard, AJ

Why the elderly appear to be more severely affected by COVID-19: The potential role of immunosenescence and CMV by Kadambari, S, Klenerman, P, Pollard, AJ

Systems immunology: Revealing influenza immunological imprint by Pollard, AJ, Tomic, A, Davis, MM

What time interval is needed between the administration of live attenuated vaccines? by Zimmermann, P, Pollard, AJ, Curtis, N

Should we delay covid-19 vaccination in children? by Wilkinson, D, Finlay, I, Pollard, AJ

Prospects of future typhoid and paratyphoid vaccines in endemic countries by Shakya, M, Neuzil, KM, Pollard, AJ

ChAdOx1 nCoV-19 Vaccine Efficacy against the B.1.351 Variant. Reply by Madhi, SA, Izu, A, Pollard, AJ

New programme to prevent bronchiolitis in infants by Pollard, AJ, Ramsay, ME, Watson, C

Herd immunity and vaccination of children for COVID-19 by Velavan, TP, Pollard, AJ, Kremsner, PG

Recent advances in lipopolysaccharide-based glycoconjugate vaccines by Zhu, H, Rollier, CS, Pollard, AJ

Should we be vaccinating children against COVID-19 in high-income countries? by Li, G, Finn, A, Pollard, AJ

Strategies for typhoid conjugate vaccines in endemic nations – authors' reply by Pitzer, VE, Pollard, AJ, Bilcke, J

Issues in vaccinology: Present challenges and future directions by Sheerin, D, Openshaw, PJ, Pollard, AJ