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 comet returns in bits and pieces. Shooting stars should be visible October 21st & 22nd. October 20, 1998: The last time Halley's comet visited Earth, in 1986, many observers were disappointed because the famous comet was barely visible to the naked eye.