This collective shield, known as herd immunity, is not automatic or enduring; it has been built over decades through high vaccination rates. Unfortunately, this protection is now eroding due to ...

We recall the critical discussion about herd immunity a few years ago, when COVID-19 swept the country with lethal force, and the prospects of developing an effective vaccine were still uncertain.

Science of herd immunity: On a busy day, a young family met Dr Subramanian Swaminathan as their child, who has an immune disorder, needs to be enrolled in school. They were concerned about the ...

In England and Wales, MCC vaccine programs resulted in substantial herd immunity, as shown by reductions in serogroup C carriage prevalence and serogroup C disease in unvaccinated individuals.

Study: Measles Vaccination Coverage and Anti-Measles Herd Immunity Levels in the World and WHO Regions Worsened from 2019 to 2023. Image Credit: Phichet Chaiyabin / Shutterstock In a recent study ...