Sentences with phrase «by an infected mosquito at»

You should not assume that by travelling in the «dry season» you are safe as it only takes one bite by an infected mosquito at any time of the year to contract malaria.

Not exact matches

The facts are that Lord Carnarvon was stung by a mosquito not there, but at another site, that the wound became infected and that he died some five months later, at the end of twenty years of invalidism, at the age of fifty - seven.
Q: If a woman who is not pregnant is bitten by a mosquito and infected with Zika virus, will her future pregnancies be at risk?
A second team, led by researchers at the Broad Institute of MIT and Harvard, analyzed more than 100 Zika genomes from infected patients and mosquitoes in nine countries and Puerto Rico.
Dr. Lauren Ancel Meyers, senior author and Professor at The University of Texas at Austin, added: «Zika outbreaks require the importation of the disease by infected travellers followed by local mosquito - borne transmission.
More than 40 percent of people around the world are at risk of being bitten by mosquitoes infected with the virus that causes Dengue fever and more than 100 million people are infected, according to eLife.
So scientists at Johns Hopkins tested their ability to do this, by allowing equal numbers of resistant and non-resistant mosquitoes to feed on the blood of malaria - infected mice.
Dengue, a viral disease transmitted by Aedes mosquitoes, is a serious global public health problem, infecting 50 to 390 million people each year in more than 100 countries and resulting in at least 20,000 deaths annually.
«Their saliva is clearly testing positive for both, which could mean that people bitten by this type of mosquito could be infected by both viruses at once,» said Claudia Rückert, PhD who is presenting the results at the ASTMH meeting.
Like others arbovirus (YFV, DENV, CHIKV) in this Kedougou region, ZIKV were found frequently at the end of the rainy season between September and December [2, 35], characterized by the existence of a very diversified mosquito fauna and an old population of vectors that have taken several blood meals and thus are more likely to be infected by contact with viremic hosts.
Remarkably, investigators at the Radboud University Nijmegen Medical Centre (RUNMC) in The Netherlands have shown that long - term sterile immunity (at least 28 months) to experimental P. falciparum - infection can be induced by exposing malaria - naïve volunteers to the bites of 15 P. falciparum - infected mosquitoes monthly for three months while on chloroquine prophylaxis (CPS immunization).
These signs are apt to occur about three months after the cat was bitten by an infected mosquito which is the time that they arrive at the heart and lungs.
At that point, if the infected dog is bitten by a mosquito, the disease may then be spread to other dogs.
There's two papers now, published by Dr. John McCall, a parasitologist at the University of Georgia, showing that applying a product which has insecticidal and repellent properties toward mosquitoes, was 100 percent effective at preventing the transmission of microfilaria from infected dogs to the mosquitoes.
Dogs are at the highest risk for developing heartworm disease, but cats can get the disease when they are bitten by a mosquito that has previously fed on the blood of an infected dog.
Once a dog is infected he is also at risk for spreading heartworms to other dogs by infecting new mosquitos.
a b c d e f g h i j k l m n o p q r s t u v w x y z