It cannot be spread by touch from person to person.
It seems rarely to spread from person to person, but that could change.
Some agents can also be spread from person to person.
But the virus is not believed to spread from person to person.
It does not spread from person to person by direct contact.
His case shows that the new strain has the potential to spread from person to person.
It is spread from person to person through the air.
Experts at international health organizations say they do not know whether the disease will start spreading from person to person.
No evidence has been found that the syndrome is spread from person to person.
They are spread from person to person through the air.