As the COVID-19 pandemic continues, we eagerly await the arrival of safe and effective
COVID-19 vaccines. However, the success of any vaccination programme depends on high …

Individuals with compromised immune systems, whether because of immunodeficiency or
immuno suppressive therapy, are among those most susceptible to COVID19. In fact, people …

Vaccine effectiveness studies are important tools to assess the usefulness of vaccines
during the postapproval period in the real-world context. Global experience in evaluating …

The rapid development of vaccines against COVID-19 is the biggest achievement of science
in the fight against the pandemic. Although the efficacy and safety of all approved vaccines …

Adherence to non-pharmaceutical interventions to prevent the transmission of severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) has been highly variable across settings …

Many inactivated vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2) are being tested at various clinical stages. Most of these vaccines are formulated …

As of February 2022, 27 different COVID-19 vaccines have been authorised by one or more
regulatory authorities for specific or widespread use. 1 Of these, eight vaccines have …

Infectious diseases have long shaped human history, from the plague of Athens (430–427
BCE) that killed around a third of the Athenian population, the Black Death in the 14th …

Vaccine development is typically a long game. The US Food and Drug Administration only
approved a first vaccine against Ebola virus last year, 43 years after the deadly virus was …

As effective vaccines and preventive medications become available for COVID-19, demand
is likely to outstrip supply, so we need to develop a strategy to prioritise their use to ensure …