[Code of Federal Regulations]
[Title 42, Volume 1, Parts 1 to 399]
[Revised as of October 1, 2000]
From the U.S. Government Printing Office via GPO Access
[CITE: 42CFR70.1]

[Page 517]
 
                         TITLE 42--PUBLIC HEALTH
 
                    CHAPTER I--PUBLIC HEALTH SERVICE,
                        DEPARTMENT OF HEALTH AND
                             HUMAN SERVICES
 
PART 70--INTERSTATE QUARANTINE--Table of Contents
 
Sec. 70.1  General definitions.

    As used in this part, terms shall have the following meaning:
    (a) Communicable diseases means illnesses due to infectious agents 
or their toxic products, which may be transmitted from a reservoir to a 
susceptible host either directly as from an infected person or animal or 
indirectly through the agency of an intermediate plant or animal host, 
vector, or the inanimate environment.
    (b) Communicable period means the period or periods during which the 
etiologic agent may be transferred directly or indirectly from the body 
of the infected person or animal to the body of another.
    (c) Conveyance means any land or air carrier, or any vessel as 
defined in paragraph (h) of this section.
    (d) Incubation period means the period between the implanting of 
disease organisms in a susceptible person and the appearance of clinical 
manifestation of the disease.
    (e) Interstate traffic means: 
    (1) The movement of any conveyance or the transportation of persons 
or property, including any portion of such movement or transportation 
that is entirely within a State or possession--
    (i) From a point of origin in any State or possession to a point of 
destination in any other State or possession; or
    (ii) Between a point of origin and a point of destination in the 
same State or possession but through any other State, possession, or 
contiguous foreign country.
    (2) Interstate traffic does not include the following:
    (i) The movement of any conveyance which is solely for the purpose 
of unloading persons or property transported from a foreign country, or 
loading persons or property for transportation to a foreign country.
    (ii) The movement of any conveyance which is solely for the purpose 
of effecting its repair, reconstruction, rehabilitation, or storage.
    (f) Possession means any of the possessions of the United States, 
including Puerto Rico and the Virgin Islands.
    (g) State means any State, the District of Columbia, Puerto Rico, 
and the Virgin Islands.
    (h) Vessel means any passenger-carrying, cargo, or towing vessel 
exclusive of:
    (1) Fishing boats including those used for shell-fishing;
    (2) Tugs which operate only locally in specific harbors and adjacent 
waters;
    (3) Barges without means of self-propulsion;
    (4) Construction-equipment boats and dredges; and
    (5) Sand and gravel dredging and handling boats.