Do Nizari Ismaili Shias believe in the infallibility of all the Imams?

From [Wikipedia](https://en.m.wikipedia.org/wiki/Nizari) : > The Nizari Ismailis have always maintained that the Imamah (also known as 'Imamat') can only be inherited from the current Imam to a direct descendant in a father-to-son (or grandson) hereditary lineage starting with Imam Ali and then to Imam Hussain and so on until their present and living 49th Imam, Prince Karim al-Husayni Aga Khan IV. From [Wikipedia](https://en.m.wikipedia.org/wiki/Infallibility) : > In Shi'a theology, the belief is that the Ahl al-Bayt, including Muhammad, his daughter Fatima Zahra and **Shi'a Imams** are all infallible and do not make mistakes. According to Nizaris, they believe the Imamah continues. **Question:** Do Nizari Ismaili Shias believe in the infallibility of all the Imams? As stated above, Shias believe that their Imams are infallible. **Do Nizaris believe in infallibility and if they do so they believe in the infallibility of all the Imams, including the present** [**Aga Khan**](https://en.m.wikipedia.org/wiki/Aga_Khan) ?