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Derek Evans

Welcome to Evans Travel Health

Blog     posted on Wednesday 4th August 2021


       How to prepare for Travel Medicine post-Covid

"We are all aware of that the impact of Covid infections has had on travel and continues to do. With the advent of vaccination programs and sophisticated testing and recording systems in place travel is starting to increase.

However the types of travel such as short haul continues to expand according to the determination of national governments whilst long haul remains dormant. The traveller groups have changed and the emphasis on routine vaccinations being sought by first time travellers going to exotic destinations has shifted to business and essential workers.

With this in mind the marketing of any specific travel medicine services will need to understand these changes. Following lockdowns and extended restrictions many travellers are now attempting to visit families and friends (VFRs) who they have only seen through video links. These VFRs will be a key target group during the revival of travel medicine demands and services.

A key part of the practitioners will be the flexibility to react to short time departures and supply necessary vaccines and medication where required. This parallels with the quick turn around that Covid tests are required for entry into another country before departure from the UK. It seems that a mix of PCR and rapid antigen tests are required within a range of departure times from 24 to 96 hours before departure.

The underlying point here is that this increased cost needs to be allowed for during any travel consultation and also the returning costs of testing and/or isolation. It is unlikely that these costs will be removed in the short term and certainly Covid will become another disease to be routinely covered during a travel medicine risk assessment."


Blog

Updates to European insect vectors and disease risks.

Posted on December 4, 2019 at 2:20 PM


 

Recently announcements from Public Health England have highlighted the emergence of tick borne encephalitis cases in the UK and ECDC have raised the awareness of Zika virus in Europe.

 

The impact of global warming has been widely linked with increased temperatures and northern movement of insect vectors as these latitudes increasingly become warmer. The ECDC vector distribution analysis indicates that the mosquito species Aedes albopictus appears to survive better in cooler climates than its cousin A aegyptii. Although not considered as pathogenic as aegyptii, albopictus can still be linked to the provision of diseases such as dengue, chikungunya and zika.

 

The A albopictus distribution highlights a detection in Southern European countries (1), although this not correlate with reported levels of infections. A comparison between the reports of January and August 2019 appear to show very little difference in distribution, indicating that the vector presence may not be seasonal and now is annual.

 

Taking forward the same principle and comparing other insect vectors such as Ixodes, A aegyptii and Phelbotomus then the distribution characteristics can again be shown with a generalised northern movement (2). Again it must be stressed that although the vector is present does not mean that the disease is present and in the absence of vaccinations the protection measures must be the usual insect repellents.

 

One point that travel health practitioners must now need to consider is the pregnant traveller who changes her travel itinerary away from a high risk vector area and decides to travel to a considered potential safer area in Southern Europe?1. https://www.ecdc.europa.eu/en/all-topics-z/disease-vectors/prevention-and-control/vector-distribution-modelling

2. https://www.ecdc.europa.eu/en/search?s=Aedes+albopictus+distribution

 

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