Kazan is a city in _______ located on the banks of Volga and Kazanka rivers?

A. Tajikistan B. Kazakhstan C. Russia D. Turkmenistan The capital of the Republic of Tatarstan, a semi-autonomous region, it’s known for the centuries-old Kazan Kremlin, a fortified citadel containing museums and sacred sites. Kremlin landmarks include the tiered Tower of Soyembika, the blue-and-gold domed Annunciation Cathedral and the vast, colorful Kul Sharif Mosque.

When was HIV identified?

A. 1987 B. 1985 C. 1983 D. 1980 In 1983, Luc Montagnier’s team at the Pasteur Institute in Paris discovered HIV‑1. Using the established techniques, they cultured T cells from a lymph node biopsy from a 33-year-old homosexual French patient with symptoms that can precede AIDS (subsequently called pre-AIDS), such as lymphadenopathy.