Sentences with phrase «humans by a mosquito bite»

Malaria is caused by Plasmodium parasites that are transmitted to humans by a mosquito bite, leading to 219 million documented cases and 627,000 deaths worldwide in 2012.

Not exact matches

When a human host is bitten by an infected mosquito, the parasite (Plasmodium) enters the blood and lays inactive in the liver.
West Nile is transmitted to humans by mosquitoes that have bitten infected birds.
There is currently no Zika vaccine, so preventing mosquito bites and using condoms — the virus can also be spread by human sexual contact — remain the predominant ways to combat its spread.
It's very unlikely that she was infected by a bite by a mosquito that first bit her husband; the three tropical Aedes mosquito species known to transmit Zika don't live in northern Colorado, and moreover, the virus has to complete a 2 - week life cycle within the insect before it can infect the next human; Foy's wife fell ill just 9 days after his return.
This will provide information that could be used to illuminate how malaria — a disease which causes more than half a million deaths a year — is spread from human to human by parasite - infected female mosquitoes which bite people to feed on blood they need in order to reproduce.
West Nile virus has wreaked havoc mostly on bird populations, but humans and a variety of other animals can become infected as well when bitten by a mosquito that previously dined on an infected bird.
But since 2015 Zika has ricocheted to more than 40 countries, transmitted by mosquito bite or human sexual contact.
While the total number of human bites was highest in low - income areas, the proportion of mosquitoes feeding on people (50 %, by Ae.
When an infected female mosquito bites a human, the microbe enters the victim's bloodstream and makes for the liver, where it multiplies by the tens of thousands.
Humans and cats each made up 13.3 % of Aedes blood meals, while deer and dogs were bitten less frequently by all mosquito species.
Zika is a viral disease that humans can contract after being bitten by mosquitoes.
Humans can potentially get infected if they are bitten by a mosquito that is carrying heartworm.
Just as in humans, following a bite by an infected mosquito, the West Nile virus multiplies in the horse's blood system, and crosses into the brain, where it infects the brain, causing inflammation and interference with the central nervous system.
In addition to paying close attention to recent research on this potentially emerging disease in humans in the United States, we can play an active role in controlling mosquitoes and reducing chances of people and pets being bitten by Aedes mosquitoes through eliminating breeding sites, using repellents, and reducing exposure.
For people who are concerned about being bitten by the GM mosquitoes, he added that only males are genetically modified, and male mosquitoes do not bite humans.
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