BACKGROUND Despite many notable successes in prevention and control, infectious
diseases remain an enormous threat to human and animal health. The ecological and …

Cervical cancer, the most common cancer affecting women in developing countries, is caused
by persistent infection with "high-risk" genotypes of human papillomaviruses (HPV). The …

Objectives: To undertake a systematic review to obtain estimates of genital Chlamydia
trachomatis prevalence in various populations in the United Kingdom and Ireland; to determine …

INTRODUCTION Several novel variants of severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2), the virus that causes COVID-19, emerged in late 2020. One of these, …

Background Mathematical modelling of infectious diseases transmitted by the respiratory or
close-contact route (eg, pandemic influenza) is increasingly being used to determine the …

Background Isolation of cases and contact tracing is used to control outbreaks of infectious
diseases, and has been used for coronavirus disease 2019 (COVID-19). Whether this …

Background In December, 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2),
a novel coronavirus, emerged in Wuhan, China. Since then, the city of Wuhan has …

Background The risk of severe COVID-19 if an individual becomes infected is known to be
higher in older individuals and those with underlying health conditions. Understanding the …

Background The isolation of symptomatic cases and tracing of contacts has been used as
an early COVID-19 containment measure in many countries, with additional physical …

Background Non-pharmaceutical interventions have been implemented to reduce transmission
of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in the UK. Projecting …