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The Bacillus Calmette–Guérin (BCG) vaccine is a vaccine primarily used against tuberculosis (TB). [9] It is named after its inventors Albert Calmette and Camille Guérin. [10] [11] In countries where tuberculosis or leprosy is common, one dose is recommended in healthy babies as soon after birth as possible. [9]
This vaccine is a 2 or 3 dose series, depending on the brand of the vaccine, that is given at 2 and 4 months in the 2 dose series and at 2,4 and 6 months in the 3 dose series. Studies show that this vaccine is 85-98% effective against severe rotavirus disease and is 74-87% effective against rotavirus disease of any severity in the first year ...
Tuberculosis (TB) vaccines are vaccinations intended for the prevention of tuberculosis.Immunotherapy as a defence against TB was first proposed in 1890 by Robert Koch. [1] As of 2021, the only effective tuberculosis vaccine in common use is the Bacillus Calmette-Guérin (BCG) vaccine, first used on humans in 1921.
The live attenuated BCG vaccine developed against tuberculosis has been shown to have strong beneficial effects on the ability to combat non-tuberculosis infections. [3] [11] Scar after BCG vaccination. Several studies have suggested that BCG vaccination may reduce atopy, particularly when given early in life.
Because measles kills, every infant needs to be vaccinated against measles at the age of 9 months or as soon as possible after 9 months as part of the routine infant vaccination schedule. It is safe to vaccinate a sick child who is suffering from a minor illness (cough, cold, diarrhea, fever or malnutrition) or who has already been vaccinated ...
Pfizer's vaccine was 91% effective at preventing symptomatic COVID-19, according to a trial of more than 2,200 kids aged 5-11. See the chart that convinced CDC advisors Pfizer's lower-dose vaccine ...
1982: Two doses of MMR vaccination at 14–18 months and 6 years of age were introduced in the national childhood vaccination programme. 2009: Rotavirus vaccine introduced at 2, 3 and 5 months to all children (September 2009) 2010: PCV introduced at 3, 5 and 12 months of age to all children (September 2010). 2013: HPV vaccination of girls ...
On the other hand, when a study is carried out to show how well a vaccine works when they are used in a bigger, typical population under less-than-perfectly controlled conditions, the term vaccine effectiveness is used. [1] [2] Vaccine efficacy was designed and calculated by Greenwood and Yule in 1915 for the cholera and typhoid vaccines.