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.
Halley's makes an appearance once every 76 years. The comet was named after Sir Edmond Halley. A comet has no light of its own. We are able to see a comet because of the reflection of the Sun's light off of the comet and because of the gas molecules in the coma releasing energy absorbed from the Sun's rays.