Unexpectedly long incubation period of Plasmodium vivax malaria, in the absence of chemoprophylaxis, in patients diagnosed outside the transmission area in Brazil

Table 1 Time between the day of the return from the malaria transmission area and the first day of onset of symptoms of malaria cases diagnosed in the Acute Febrile Diseases Clinic, Rio de Janeiro (2005 until January 2010)

	*P. vivax*	*P. falciparum*	Mixed Infection *(P. vivax* and *P. falciparum)*
Mean	45 d	10 d	11 d
Standard Deviation	67 d	16 d	7 d
Median	25 d	6 d	12 d
Maximum	360 d	60 d	18 d
Minimum	12 h	12 h	12 d

ISSN: 1475-2875