Varicella vaccine were vaccinated as children were still protected from varicella." However, since only one out of five Japanese children were vaccinated, the annual exposure of these vaccinees to children with natural chickenpox boosted the vaccinees' immune system. In the United States, where universal varicella vaccination has been practiced, the majority of children no longer receive exogenous (outside) boosting, thus, their cell-mediated immunity to VZV (varicella zoster virus) wanes—necessitating booster chickenpox vaccinations. As time goes on, boosters may be necessary. Persons exposed to the virus after vaccine tend to experience milder cases of chickenpox. Catching "wild" chickenpox as a child has been
Foundation For Technical Education populations by expanding its education model first across the East African region and then beyond. Negotiations are underway in Kenya, Zambia, Rwanda, Burundi and Uganda to work with existing technical education institutions in finding education solutions. The FTE Education Model relies on shared responsibilities based on international expertise but local ownership, entrusting the coordination and management to the local leadership team of the schools. Sharing knowledge and resources, FTE works together with like-minded organizations to develop long-term, strategic partnerships that combine targeted technical skills and a commitment to scale and replication with volunteering in education. To date, partnerships have been