Table 1.

Number of travellers and earliest date of cases imported from Mexico to a particular country in March and April, 2009

Destination country	Travellers (n)	Earliest date (2009)	Reference
Canada	101 313	28 April	[28]
Spain	65 724	28 April	[28]
United Kingdom	20 513	28 April	[28]
Costa Rica	16 950	29 April	[28]
Germany	35 772	30 April	[28]
The Netherlands	27 640	30 April	[34]
France	61 960	1 May	[35]
Colombia	24 535	3 May	[36]
El Salvador	15 090	4 May	[37]
Argentina	24 609	7 May	[38]
Brazil	38 749	7 May	[39]
Cuba	42 802	12 May	[40]