Sentences with phrase «infect humans during»

Not exact matches

Once infected, those mosquitoes transmit the parasite to another human during a subsequent blood meal.

In 1967, Ruth found that irradiating malaria - infected mosquitoes with X-rays weakened sporozoites, the form of the malaria parasite that is transmitted to humans during mosquito bites.

Such blood transfusions have not yet been systematically studied in humans for Ebola (although such transfusions have been used in limited circumstances including, reportedly, when U.S. physician Kent Brantly was infected with Ebola in Liberia and on others during an earlier outbreak elsewhere in 1995).

Greber and his team infected human cells in culture with the chemically labeled viruses, and observed the behavior of the viral DNA during entry into cells.

Human immunodeficiency virus type 1 (HIV - 1) is a virus that is spread through unprotected sexual activity, infected drug needles, during pregnancy from mother to child, and through infected breast milk.

If the retroviruses infected a person during or after a transplant, they could disrupt important human genes, leading to cancer or other diseases.

But is it possible that at times during the three pandemics plague actually became a human disease, one that did not depend on transmission from infected rats?

«What we show is that the Zika virus infects neuronal cells in dish that are counterparts to those that form the cortex during human brain development.»

«We need more research to investigate the levels of antibodies generated when humans get infected, and how they work in women during pregnancy.

Of these, 280 randomly selected ticks were analysed using molecular techniques to determine whether they were infected with the Lyme disease bacteria, which can be transferred to humans during a tick bite.

To better understand these mechanisms, Too and colleagues infected human motor neuron cells with EV71 and compiled a list of human proteins that showed changes in activity during infection.

Discovering that this recombination occurs continuously when the parasites are in the human host may help to explain how the parasite can survive for many months inside infected people during the dry season, when there aren't many mosquitoes biting.

Cells with similar characteristics accumulate during normal aging as well as in younger persons infected with human immunodeficiency virus, suggesting that the process of replicative senescence is not an artifact of cell culture but is also occurring in vivo.

In 2011, Paprotka, et al. reported that XMRV likely originated through recombination between 2 endogenous murine retroviruses, PreXMRV - 1 and PreXMRV - 2, during in vivo passaging of the human prostate cancer xenograft CWR - R1, resulting in establishment of the XMRV - infected 22Rv1 cell line [38].

This rapid synthesis of OspC by spirochetes during tick feeding may play an essential role in the capacity of these bacteria to successfully infect mammalian hosts, including humans, when transmitted by ticks.

Shortly afterwards, that outbreak hits home when — during a traffic jam with his family — he sees the first signs of the virus when he watches a group of infected humans attack people on the streets of Philadelphia.

Swine flu first proposed to be a disease related to human influenza during the 1918 flu pandemic, known as Spanish flu, it infected about 500 million resulting in 50 million deaths.