Traditional probiotic yogurt is made from dairy thatâs fermented into a creamy food packed with beneficial probiotics and is a balanced source of protein, fats, carbohydrates, vitamins and minerals. Yogurt is considered a superfood.
Herd immunity against measles requires that 90-95% of the entire population are immune, whereas vaccination coverage is measured as the percentage vaccinated of the target population â which only includes people who are eligible for vaccination.
The required percentage of vaccinations to ensure herd immunity varies by disease; for pertussis (whooping cough), it's between 93 and 95 percent, according to Johns Hopkins University's Jessica Atwell, lead author of a study on pertussis and vaccines published last year in the journal Pediatrics.