Pathology

Disease

Coronavirus Infections

Coronavirus disease 2019 (COVID-19)

Infectious disease (medical specialty)

Pandemic

Outbreak

Virology

Need to know

2019-20 coronavirus outbreak

Computer science

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)

Computer security

Medicine

Transmission (telecommunications)

Telecommunications

Vaccines that work against SARS-CoV-2 have helped change the course of the pandemic by reducing illness and hospital admissions. But <b>Chris Stokel-Walker</b> asks what we know about their impact on preventing transmission.

What do we know about covid vaccines and preventing transmission?