funding, and is currently the only active mosque in Armenia, mainly serving Iranian Shia visitors. Yerevan is home to tiny Yezidi, Molokan, Neopagan, Baháʼí and Jewish communities, with the Jewish community being represented by the Jewish Council of Armenia. A variety of nontrinitarian communities, considered dangerous sects by the Armenian Apostolic Church, are also found in the city, including Jehovah's Witnesses, Mormons, Seventh-day Adventists and Word of Life. Health and medical care Medical services in Armenia, other than maternity services, are not subsidized by the government. However, the government annually allocates a certain amount from the state budget for the medical needs of socially vulnerable groups. Yerevan is a major healthcare and medical service centre in the region. Several hospitals of Yerevan, refurbished with modern technologies, provide healthcare and conduct medical research, such as Shengavit Medical Center, Erebouni Medical Center, Izmirlian Medical Center, Saint Gregory the Illuminator Medical Center, Nork-Marash Medical Center, Armenia Republican Medical Center, Astghik Medical Center, Armenian American Wellness Center, and Mkhitar Heratsi Hospital Complex of the Yerevan State Medical University. The municipality runs 39 polyclinics/medical centers throughout the city. The Research Center of Maternal and Child Health Protection has operated in Yerevan since 1937, while the Armenicum Clinical Center was opened in 1999, where research is conducted mainly related to infectious diseases, including HIV, immunodeficiency disorders and hepatitis. The Liqvor Pharmaceuticals Factory, operating in Yerevan since 1991, is currently the largest medicine manufacturer of Armenia. Culture Yerevan is Armenia's principal cultural, artistic, and industrial center, with a large number of museums, important monuments and the national public library. It also hosts Vardavar, the most widely celebrated festival among Armenians, and is one of the historic centres of traditional Armenian carpet weaving. Museums Yerevan is home to a large number of museums, art galleries and libraries. The most prominent of these are the National Gallery of Armenia, the History Museum of Armenia, the Cafesjian Museum of Art, the Matenadaran library of ancient manuscripts, and the Armenian Genocide Museum at the Tsitsernakaberd Armenian Genocide Memorial Complex. Founded in 1921, the National Gallery of Armenia and the History Museum of Armenia are the principal museums of the city. In addition to having a permanent exposition of works by Armenian painters, the gallery houses a collection of paintings, drawings and sculptures by German, American, Austrian, Belgian, Spanish, French, Hungarian, Italian, Dutch, Russian and Swiss artists. It usually hosts temporary expositions.