The widespread use of primaquine (PQ) and chloroquine (CQ), together, may be
responsible for the relatively few, isolated cases of chloroquine‐resistant P. vivax (CQRPV) …

Chloroquine-resistant Plasmodium vivax has been the subject of numerous case reports
and prospective studies from Oceania and Asia. In contrast, only case reports exist from the …

Reports from several sites in South America suggest the presence of isolated cases of
chloroquine-resistant Plasmodium vivax malaria. To investigate the possibility of …

Background Chloroquine (CQ) over three days plus primaquine (PQ) for seven days is the
treatment of choice of infections by Plasmodium vivax in Bolivia, where 95% of the cases of …

The presence of chloroquine-resistant Plasmodium vivax malaria in the New World has
been suspected but not confirmed. We report the cases of three patients who acquired vivax …

In Colombia, published studies for the treatment of uncomplicated Plasmodium vivax
malaria with chloroquine–primaquine (CQ-PQ) are scarce. The aim of the study was to …

Plasmodium vivax infections caused by strains with low sensitivity to primaquine are
widespread in the Western Pacific and Southeast Asia, and have been recently reported …

Chloroquine has been the standard treatment for Plasmodium vivax malaria for more than
40 years in most regions of the world. Recently, however, chloroquine-resistant P. vivax has …

Abstract Background In Mexico, combined chloroquine (CQ) and primaquine (PQ) treatment
has been used since the late 1950s to treat Plasmodium vivax infections. Although malaria …

To develop criteria for the diagnosis of resistance to chloroquine using an in vivo test, we
examined published records of early clinical trials of quinine and chloroquine against …