1.   More research is needed into the ways in which this virus is spread.

2.   The virus is mainly spread through contaminated food.

3.   The virus is spread through contact with contaminated food and water.

4.   Viruses can be spread inadvertently by email users.

5.   Also, early HIV detection makes it less likely that the virus will be spread accidentally.

6.   An infected person from India flies to New York, is bitten by a local mosquito, which then begins to spread the virus.

7.   At present, the virus is spread mainly by intravenous drug use and the sharing of needles or by tattooing and body piercing with unsterilized equipment.

8.   A modest genetic change might enable Ebola to spread rapidly through the air, and infected travelers could spread the virus widely before anyone realized they were sick.

9.   A new survey claims dangerous viruses are being spread around the world through the sewage held in aircraft on international flights.

10.   All the poultry must be slaughtered and carcasses disposed of to minimize the risk of infecting other flocks, because the virus can be spread by air.