Sunday, January 29, 2023
SCIENMAG: Latest Science and Health News
No Result
View All Result
  • Login
  • HOME PAGE
  • BIOLOGY
  • CHEMISTRY AND PHYSICS
  • MEDICINE
    • Cancer
    • Infectious Emerging Diseases
  • SPACE
  • TECHNOLOGY
  • CONTACT US
  • HOME PAGE
  • BIOLOGY
  • CHEMISTRY AND PHYSICS
  • MEDICINE
    • Cancer
    • Infectious Emerging Diseases
  • SPACE
  • TECHNOLOGY
  • CONTACT US
No Result
View All Result
Scienmag - Latest science news from science magazine
No Result
View All Result
Home SCIENCE NEWS Biology

Researchers describe the dynamics of P. falciparum infections in adults without fever

March 29, 2018
in Biology
0
Share on FacebookShare on Twitter
IMAGE

Credit: Beatriz Galatas

Asymptomatic malaria occurs when parasites are present in an individual's blood but do not cause fever or other symptoms. These "afebrile" infections can be detected either by classical diagnosis tests (if there are enough parasites in blood) or by molecular amplification techniques (if there are very few). Individuals that are infected but present no symptoms do not tend to seek health care, and therefore are not diagnosed or treated. However, there is a concern that they serve as parasite reservoirs and contribute to maintain its transmission in communities aiming at malaria elimination.

To better understand the natural dynamics of these asymptomatic infections and the risk they pose for elimination efforts, the authors performed a follow-up study of adults infected by P. falciparum but with no symptoms. To find them, they visited different households in the Manhiça district, in southern Mozambique. They recruited 32 "healthy" men that were positive by a classical rapid diagnostic test (RDT) and followed them during 28 days (with blood samples at days 1,2,3,7, 14 and 28) after which they were given treatment. The results show that parasitaemia (i.e. parasite density in the blood) falls considerably within the first four days to levels that are no longer detectable by microscopy or RDT. However, most individuals remained with low parasite levels at day 28 (detectable by molecular techniques).

"These results indicate that individuals living in endemic areas and that have acquired a certain immunity against the parasite manage to rapidly control the infection even if they cannot clear the parasite completely", explains Beatriz Galatas, lead author of the study. "This suggests that the time window during which asymptomatic individuals contribute to parasite transmission could be relatively short", she adds.

The authors conclude that a better understanding of afebrile infections will help design and implement the most adequate community strategies for that "last mile" in malaria elimination.

###

Media Contact

Adelaida Sarukhan
[email protected]
34-932-271-816

http://www.isglobal.org/en/

Original Source

https://www.isglobal.org/en/new/-/asset_publisher/JZ9fGljXnWpI/content/analizan-la-dinamica-de-la-infeccion-por-p-falciparum-en-adultos-sin-fiebre http://dx.doi.org/10.1093/cid/ciy219

Share25Tweet16Share4ShareSendShare
  • Logo

    New study shows snacking on mixed tree nuts may impact cardiovascular risk factors and increase serotonin

    92 shares
    Share 37 Tweet 23
  • Null results research now published by major behavioral medicine journal

    533 shares
    Share 213 Tweet 133
  • Researchers achieve the first observation of de Broglie-Mackinnon wave packets by exploiting loophole in 1980’s-era laser physics theorem

    65 shares
    Share 26 Tweet 16
  • The next generation of global health innovators: Michelson Prize winners announced

    66 shares
    Share 26 Tweet 17
  • Simulations reproduce complex fluctuations in soft X-ray signal detected by satellites

    64 shares
    Share 26 Tweet 16
  • New study debunks the assumption that menstrual cycles disqualify women from exercise research

    65 shares
    Share 26 Tweet 16
ADVERTISEMENT

About us

We bring you the latest science news from best research centers and universities around the world. Check our website.

Latest NEWS

New study shows snacking on mixed tree nuts may impact cardiovascular risk factors and increase serotonin

Hydrogen peroxide from tea and coffee residue: New pathway to sustainability

Null results research now published by major behavioral medicine journal

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 205 other subscribers

© 2022 Scienmag- Science Magazine: Latest Science News.

No Result
View All Result
  • HOME PAGE
  • BIOLOGY
  • CHEMISTRY AND PHYSICS
  • MEDICINE
    • Cancer
    • Infectious Emerging Diseases
  • SPACE
  • TECHNOLOGY
  • CONTACT US

© 2022 Scienmag- Science Magazine: Latest Science News.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In