Malta. Switzerland. Greece. Netherlands. You must still show a valid ID card or passport when travelling to or from Bulgaria, Croatia, Cyprus, Ireland, Romania and the United Kingdom. Though part of the EU, these countries do not belong to the border-free Schengen area.
â¢ What is the incubation period of tuberculosis? From infection to development of a positive TB skin test reaction (the incubation period) is approximately 2 to 12 weeks. The risk for developing active disease is the highest in the first two years after infection and development of a positive TB skin test reaction.f you are exposed to someone with infectious tuberculosis and have never had a positive reaction to the tuberculin (TB) skin test, you should have a baseline test within 3 months prior to the exposure date.
Incubation period. Incubation period is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent. In a typical infectious disease, incubation period signifies the period taken by the multiplying organism to reach a threshold necessary to produce symptoms in the host.