Meningococcal meningitis is a deadly acute bacterial infection caused by the Neisseria meningitidis bacterium that affects the membrane covering the brain and spinal cord. The World Health Organization launched the "Defeating bacterial meningitis by 2030" initiative in 2018, which relies on...

We estimate the effect of COVID-19 vaccination on economic growth in OECD countries using forecast errors in quarterly real GDP growth. These forecasts were published at the end of 2020, before vaccines were approved or widely anticipated, making them a credible benchmark to identify the...