Diseases, Conditions, Syndromes

Sexual transmission of insect-borne virus

(PhysOrg.com) -- Little did Brian Foy know that when he came home from a scientific research trip and had sex with his wife that that sexual act would create virological history. A study just released in Emerging Infectious ...

Diseases, Conditions, Syndromes

Proteins found in semen increase the spread of Ebola virus infection

Protein fragments, called amyloid fibrils, in human semen significantly increase Ebola virus infection and protect the virus against harsh environmental conditions such as heat and dehydration. Researchers from the Perelman ...

Diseases, Conditions, Syndromes

Risk of Zika infection through sex may last only a month

Signs of Zika infection can be seen in semen for as long as nine months, but the risk of sexual transmission appears to end in one month, according to a study published Wednesday.

Diseases, Conditions, Syndromes

Zika virus harms testes, says study

The Zika virus reduces the size of testes in infected mice up to 21 days after infection, according to a new Yale study. The persistence of the virus in the male reproductive organ can lead to sexual transmission and may ...

Diseases, Conditions, Syndromes

Researchers strengthen the case for sexual transmission of Zika virus

Aedes aegypti mosquitoes harboring parasitic Zika virus (ZIKV) are the primary transmitters of virus to humans, potentially causing catastrophic congenital microcephaly in babies born to women bitten by infected mosquitoes. ...

Diseases, Conditions, Syndromes

Zika virus may persist in the vagina days after infection

The Zika virus reproduces in the vaginal tissue of pregnant mice several days after infection, according to a study by Yale researchers. From the genitals, the virus spreads and infects the fetal brain, impairing fetal development. ...

Diseases, Conditions, Syndromes

Sexual transmission of Ebola likely to impact course of outbreaks

Sexual transmission of the Ebola virus could have a major impact on the dynamics of the disease, potentially reigniting an outbreak that has been contained by public health interventions, according to research by University ...

Diseases, Conditions, Syndromes

Sperm can carry Ebola for 82 days: WHO

Sperm can carry the Ebola virus for at least 82 days, the World Health Organization said Friday, urging men recovering from the disease to use condoms for three months after the onset of symptoms.

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Transmission (medicine)

In medicine, transmission is the passing of a disease from an infected individual or group to a previously uninfected individual or group. The microorganisms (bacteria and viruses) that cause disease may be transmitted from one person to another by one or more of the following means:

Microorganisms vary widely in the length of time that they can survive outside the human body, and so vary in how they are transmitted.

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