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Dengue is primarily transmitted by the bite of a certain type of mosquito (see related link.) Dengue may also be transmitted via infected blood products and through organ donation. Transmission from mother to child during pregnancy or at birth may also occur.
It's a virus - transmitted from person-to-person by the bite of an infected mosquito.
Dengue fever is transmitted by the bite of an Aedes mosquito infected with one of the four dengue viruses.
No it is not contagious. It is only transmitted by the bite of a particular mosquito infected with any one of the four dengue viruses.
Scabies is transmitted by being in close contact with an infected person. For example, sleeping in the same bed as an infected person or by skin-on-skin contact.
There are three ways I know that you can do to transmit AIDS or HIV. If you have sexual intercourse with the infected person, if you share a needle with the infected person, or if you have blood-to-blood contact with an infected person.
Whenever one is bitten by a Vector mosquito. The mosquito becomes a vector after it has bitten an dengue infected carrier - usually another Human.
The answer, unfortunately, is possible. There are four types of dengue virus. If a person is infected by any one of those four types, though it is not entirely impossible to die from it, it very rarely happens. It can even act like a vaccine, providing some immunity from the same type of virus to the infected person. However, if the same person (already infected by one of the four types some times before) gets infected from a different type, - any other of the remaining three, -dengue fever could develop into a more severe form, - earlier known as Dengue Haemorrhagic Fever, presently called as Severe Dengue Fever. That severe form could be fatal. There is neither vaccination nor specific treatment against either Dengue Fever or its more dangerous form, the Severe Dengue Fever. However, prompt medical care could often save life even in the case of the severe form. Since Severe Dengue Fever patients are loosing serious amounts of body fluids, - including blood -, the most vital treatment is keeping the fluid level to optimal, thus diminishing the complications which could have lead to death. More detailed information can be found in the related links.
Yes. one can get infected with diseases such as hepatitis ( liver damage. A hepatitis curable. B,C,D,E are incurable.) if one comes in contact with the tears of a hepatitis infected person or even sweat.
Herpes is spread by coming in contact with the herpes virus. The herpes virus can be spread even when a person isn't having an outbreak.
The viruses that cause viral meningitis are contagious
It appears that trichomoniasis is one of the few STDs that can be caught through other means as well. Although the protozoan dies rapidly in dry conditions, it appears that you can be infected by sharing a washcloth with an infected person, or possibly by having your genitals come into contact with someone else's infected genital discharge.