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.
It could have been that many of the cases of polio in the control group were caused by one dose of his vaccine â there was nothing in the published accounts I have seen to say that this was not so. Salk claimed that his vaccine protected â30 to 90 per centâ of those who received it (a remarkably vague statistic).