1) Bioko receives more than 400 inches of rain a year, and although this was supposed to be the dry season, daily thunderstorms unleashed torrents.

2) Bioko used to be the end of a peninsula attached to the mainland in what is now Cameroon, but it was cut off when sea levels rose 10, 000 years ago at the end of the last ice age.

3) They compared SIV from drills living on Bioko Island, off the coast of Cameroon, to those on the mainland.

4) Scientists tested 79 monkeys from Bioko, a volcanic island 19 miles off the West African coast.

5) Biologists regard Bioko Island as a living laboratory for studying how plants and animals evolve in isolation.

6) Its main airport is Malabo International Airport in Punta Europa, Bioko Island. International flights operate from here to Nigeria, Gabon, Benin, Spain, Germany, France, and Switzerland.

7) But each was close to the strain infecting members of the same four genuses on the mainland,(http://sentencedict.com/bioko.html) meaning they must have existed before Bioko was cut off.

8) VIENNA—Thousands of years ago, a piece of West Africa separated from the mainland and formed the island of Bioko.

9) The capital and largest city of Equatorial Guinea, on Bioko in the Gulf of Guinea. It was founded by the British in1827. Population, 30, 710.

10) The capital and largest city of Equatorial Guinea, on Bioko in the Gulf of Guinea. It was founded by the British in 827. Population, 30,70.

11) In July 1959 Spanish Guinea was divided into two overseas provinces of Spain: Rio Muni (now Mbini), on the African mainland, and the island of Bioko with other nearby islands.