Ebola is aggressively infectious ; it is not highly contagious . Doctors know how it spreads and can keep contamination down . It does n't move easily from human to human like the common cold . Comment: In past decade , five people known to have viral hemorrhagic fever have entered U.S .
Ebola is aggressively infectious ; it is not highly contagious . Doctors know how it spreads and can keep contamination down . Comment: In past decade , five people known to have viral hemorrhagic fever have entered U.S .