Stem-and-Leaf plot is a method of organizing numerical data in order of place value. The 'ones digit' and the 'tens digit and greater' of each data item is separated as leaves and stems respectively. The stem-and-leaf plot below shows the number of students enrolled in a dance class in the past 12 years.
Vaccination with live viruses may interfere with TST reactions. For persons scheduled to receive a TST, testing should be done as follows: Either on the same day as vaccination with live-virus vaccine or 4-6 weeks after the administration of the live-virus vaccine. At least one month after smallpox vaccination.
CDC TB testing and administration of live vaccine The TB test and live vaccines can be administered at the same visit. If a live vaccines has been administered recently, TB testing should be delayed for at least four weeks after vaccination. TB testing can be performed and read before administration of the live vaccine. Scroll down to the last question of the FAQs.