Maraviroc is an entry inhibitor. Specifically, maraviroc is a negative allosteric modulator of the CCR5 receptor, which is found on the surface of certain human cells. The chemokine receptor CCR5 is an essential co-receptor for most HIV strains and necessary for the entry process of the virus into the host cell.
January 14, 1742. Greenwich, England. Edmond Halley, Edmond also spelled Edmund (born Nov. 8, 1656, Haggerston, Shoreditch, near Londonâdied Jan. 14, 1742, Greenwich, near London) English astronomer and mathematician who was the first to calculate the orbit of a comet later named after him.
The Return of Halley's Comet. On February 9, 1986, the most famous comet of all time will make the closest approach to the Sun in its current 76-year trip around our star. For a few months, before and after that date, the comet will be visible from our vantage point on the Earth â but, alas, not as well as it was in 1910.