All nurses learn how to administer and interpret TB skin tests and that a result of ≥10 mm induration is positive. The test can be given as a one- or two-step screening. In the one-step protocol, the nurse administers the PPD vaccine intradermally to the patients’ forearm and interpre...
Health workers administer polio vaccine to children in Islamabad in January as an armed police officer stands nearby for protection. Vaccinators have previously been attacked in Pakistan, where rumours persist about immunizations being harmful. Credit: Sohail Shahzad/EPA-EFE/Shutterstock...
According to one online source, there are16 countries that inoculate with BCG vaccine at birth. There are another 31 countries that immunize with BCG but do not administer BCG booster shots. Adults who were immunized with BCG at birth appear to be immune against TB and a variety of other in...