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Table 1 Travel information and case data during the initial outbreak of 2009 pH1N1

From: A statistical method utilizing information of imported cases to estimate the transmissibility for an influenza pandemic

Country

Number of passengersa

Arrival dates

Illness onset date

Additional referenceb

United States

2,474,897

-

March 28

-

Canada

101,313

April 8

April 11

-

El Salvador

15,090

April 19

-

-

Colombia

24,535

-

April 14

[26]

United Kingdom

20,513

April 21

April 24

-

Spain

65,724

April 22

April 25

-

France

61,960

-

April 23

[18]

Costa Rica

16,950

April 25

April 25

-

Argentina

24,609

April 25

April 27

[27]

Cuba

42,802

April 25

-

-

The Netherlands

27,640

April 27

-

-

Germany

35,772

-

April 28

-

Hong Kong

35,706

April 30

April 30

[30]

Italy

12,060

April 29

May 3

[31]

Guatemala

39,460

-

May 1

-

  1. aThe total number of passengers on flights from Mexico to different countries between March and April 2009
  2. bOther supporting information from press and other articles in additional to Fraser et al. [9] and Balcan et al. [12]