Tomas Jelinek

..Linkage of existing networks, which avoids duplication of work and fully exploits the information potential of all combined systems, should be targeted...

..Also, they are the drugs of choice for travellers who are advised to carry stand-by emergency treatment during their journey...

..It is noteworthy that Austria is the only country in Europe that has experienced a decrease in caseload during the last 20 years. This is almost certainly due to the very high vaccine coverage rate of 86 %...

..Most recommendations for malaria chemoprophylaxis lack a solid evidence base, and often fail to address the cultural, social and economic needs of VFRs...

..The risk of adverse events are high and the benefit of avoided benign vivax malaria is very low under current policy, which may be causing more harm than benefit...

..In practice, however, often only one blood sample is available from febrile travellers returning from dengue endemic areas...

..Only when certain alarm symptoms are present are further measures such as the search for pathogens or chemotherapy indicated...

..Vaccination against cholera and ETEC should be recommended for at-risk travelers, in particular those with high exposure at their travel destination or high personal risks through fluid loss...

..Since a safe product will be available very soon, guidelines and recommendations will have to be reconsidered...

..With the availability of a new product, wider use of Japanese encephalitis vaccine will be prudent in the future, and guidelines and recommendations should be revised...

..However, little is known about the prevalence of codon-268 mutations and their quantitative association with treatment failure...

..If there is a correlation between AQR and the SVMNT-haplotype as suggested, 31% prevalence of a potential resistance marker is cause for concern...

..These findings illustrate the spread of atovaquone-proguanil-resistance in Africa and question the usefulness of codon 268 as the only target for the surveillance of its emergence...

..Data on severity and secondary infection rates in a population of travelers are lacking...

..Possible associations of the dimorphism with severe malaria have been analysed in a case-control study in northern Ghana...

..To improve the travelers' health, attention needs to be paid to individual risk factors, the prevention and therapy of travelers' diarrhea, malaria prophylaxis, management of respiratory illness, and personal safety...

..3-100.0%; 53 of 53 patients) for artesunate-mefloquine. The results show the excellent efficacy and tolerability of both artemether-lumefantrine and artesunate-mefloquine in Northern Laos...

..The lack of a correlation between symptoms and detected infectious disease indicates the need for a standardized routine screening examination in all migrants...

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..Serotype-specific dengue antibodies indicated acute infections in 51 (4.7%) travelers with recent fever and 13 (1.1%) travelers with no recent fever, depending largely on destination and epidemic activity in the countries visited...

..The objective of this study was to assess the prevalence of this mutation in African isolates of Plasmodium falciparum that have been imported into Europe through travellers...

..The screening results were used to map the prevalence of mutations and, thus, levels of potential drug resistance in endemic areas world-wide...

..The results of these studies may be translated into chemoprophylactic strategies for travelers...

..Blood levels of mefloquine at that stage were at 1400 ng/ml, thus largely excluding non-compliance and malabsorption. To our knowledge, this is the first case of confirmed prophylaxis failure due to mefloquine resistance in East Africa...

..A further cluster of 12 was reported in August, 2002. Several immigrants traveled by air, making the risk of introducing sudden acute respiratory syndrome a possibility should such illegal immigrations continue...

..falciparum isolates imported by travellers...

..00, CI). The study provides evidence for the existence of antimalarial drug resistance in the south of Lao PDR, and offers a molecular method to predict resistance...

..The findings suggest that the presence of Ile 51/Asn 108 dhfr mutations and Ala 436 dhps confers decreased susceptibility of P. falciparum to PYR/SDX in areas of low endemicity...

..The combination of both CQ and SP has been discussed as a cost-effective alternative treatment, but in our patient population achieved no better results than single therapy with SP...

..Gene mutations occurred in both the DHFR and DHPS gene of the Colombian isolates, suggesting that resistance to antifolate drugs exists or may develop soon in Colombia...

..However, data regarding the tolerability of schedules with simultaneous vaccinations with different products are sparse...

..Resistance of Plasmodium falciparum to atovaquone in vitro and in vivo has been associated to mutations in the parasite cytochrome b gene...

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..The outbreak was detected through TropNetEurop, a sentinel surveillance network of clinical sites throughout Europe...

..The aim of this study was to assess the distribution of the two EBA-175-alleles in the Lao PDR...

..All resistant isolates had at least three mutations. The high prevalence of mutation associated with antifolate resistance may point toward low drug efficacy in the future...