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.
In contrast to Ebolaviruses, poliovirus and norovirus are shed during the incubation period â in the feces, where they can infect others. Remarkably, viral incubation periods can vary from 1 or 2 days to years (Table; click to magnify).Short incubation times usually indicate that actions at the primary site of infection produce the characteristic symptoms of the disease. would also argue that the incubation period of HIV is not 1-10 years, but 2-4 weeks, the time until the prodromal symptoms occur. The characteristic symptom of HIV-1 infection, immunosuppression, occurs much later. 1  Tweet.