The Covid vaccines were a diverse set of immunizations designed to protect against SARS-CoV-2, the virus responsible for Covid-19[1][2][3].
Over 13.5 billion doses have been administered worldwide by August 2024, making it the largest vaccination campaign in history ⭐ [4][5][6].
The Covid-19 vaccine effort remains one of the most ambitious public health campaigns ever, rapidly developed and distributed at global scale[8][7][4].
There is substantial data on the effectiveness of Covid vaccines, evidence that they were reworked in response to variants, and meaningful estimates of lives saved and cases prevented[1][2][3][4].
Covid vaccines remain one of the most effective interventions in modern public health, with robust evidence for millions of lives saved and a profound reduction in disease burden worldwide[4][14][15][2].