What is a polio booster? Polio vaccines are vaccines used to prevent poliomyelitis (polio). Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given by mouth (OPV). The World Health Organization (WHO) recommends all children be fully vaccinated against polio. What happens if you get an extra polio vaccine?…
Day: June 14, 2021
What is a T-67 Firefly?
What is a T-67 Firefly? The T-67 Firefly (formerly known as Fournier RF-6) is a single engine aerobatic trainer aircraft designed and developed by Slingsby Aviation at Kirkbymoorside, Yorkshire, in England. An advanced aircraft, it is deployed by the UK Armed Forces and civil professional flying schools. About 250 T-67s are currently operational worldwide. How…
Why is it called a muster station?
Why is it called a muster station? The word “muster” means the act of assembling, which is what passengers and crew do during the mandatory safety briefing on every cruise that’s referred to as a muster drill. During the muster drill, the emergency siren is sounded, so passengers can familiarize themselves with the sound. What…