Over the past two centuries, vaccines have been critical for preventing infectious diseases. The World Health Organization estimates that vaccination prevents between 3 million and 5 million deaths annually[1] from diseases like diphtheria, tetanus, influenza, measles and, more recently, COVID-19.
While there has long been broad scientific consensus[2] that vaccines prevent or mitigate the spread of infections, there is new research...
Read more https://theconversation.com/vaccines-hold-tantalizing-promise-in-the-fight-against-dementia-257807