Viruses spread in many ways; viruses in plants are often transmitted from plant to plant by insects that feed on plant sap, such as aphids; viruses in animals can be carried by blood-sucking insects. These disease-bearing organisms are known as vectors.Influenza viruses are spread by coughing and sneezing.ther viruses, such as rabies virus, can infect different species of mammals and are said to have a broad range. The viruses that infect plants are harmless to animals, and most viruses that infect other animals are harmless to humans.
COLUMBIA. Barranquilla carnival is the big event in Colombia. Barranquilla carnival is being featured by beautiful Caribbean women of the coast of Barranquilla. Carnival is celebrated 40 days before Easter and climaxes with 3 days (Saturday, Sunday and Monday) of parades, parties, music and dancing.
The Columbia Memorial Space Center is the U.S. national memorial for the Space Shuttle Columbiaâs seven crew members. It is located in Downey on the site of the Space Shuttle's origins and production, the former North American Aviation plant in Los Angeles County, southern California.olumbia returned to space on January 12, 1986, with the launch of STS-61-C. The mission's crew included Dr. Franklin Chang-Diaz, as well as the first sitting member of the House of Representatives to venture into space, Bill Nelson. The next shuttle mission, STS-51-L, was undertaken by Challenger.