Which of the following is NOT a sexually transmitted disease?
Filariasis
Sexually Transmitted Diseases (STDs), also known as Sexually Transmitted Infections (STIs), are infections that are spread primarily through sexual contact. This includes vaginal, anal, and oral sex. Many STDs can also be transmitted through other means, such as blood transfusions or from mother to child during pregnancy or childbirth, but sexual transmission is a major route.
Let's examine each option provided to determine its primary mode of transmission:
Syphilis: Syphilis is a bacterial infection caused by Treponema pallidum. It is primarily spread through sexual contact. It can also be spread from mother to baby during pregnancy. Therefore, Syphilis is considered a Sexually Transmitted Disease.
AIDS: Acquired Immunodeficiency Syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the Human Immunodeficiency Virus (HIV). HIV is most commonly spread through sexual contact, but can also be transmitted through contaminated blood transfusions, sharing needles, and from mother to child during pregnancy, childbirth, or breastfeeding. Sexual transmission is a major route for HIV, making AIDS (the advanced stage of HIV infection) a disease closely associated with sexual transmission.
Filariasis: Filariasis is a parasitic disease caused by thread-like worms called filariae. These worms are transmitted to humans through the bites of infected mosquitoes, flies, or blackflies, depending on the specific type of filariasis. It is NOT transmitted through sexual contact. Therefore, Filariasis is not a Sexually Transmitted Disease.
Gonorrhoea: Gonorrhoea is a bacterial infection caused by Neisseria gonorrhoeae. It is primarily spread through sexual contact. It can also be spread from mother to baby during childbirth. Therefore, Gonorrhoea is considered a Sexually Transmitted Disease.
Based on the analysis above, Syphilis, AIDS (due to HIV transmission), and Gonorrhoea are diseases predominantly or significantly transmitted through sexual activity. Filariasis, however, is transmitted through insect bites.
| Disease | Primary Mode(s) of Transmission | Sexually Transmitted Disease? |
|---|---|---|
| Syphilis | Sexual contact, Mother to child | Yes |
| AIDS (HIV) | Sexual contact, Blood, Sharing needles, Mother to child | Yes (Major route is sexual) |
| Filariasis | Mosquito/Insect bites | No |
| Gonorrhoea | Sexual contact, Mother to child | Yes |
Thus, Filariasis is the disease among the options that is NOT a Sexually Transmitted Disease.
| Disease Type | Examples | How They Spread |
|---|---|---|
| Sexually Transmitted Diseases (STDs) | Syphilis, Gonorrhoea, HIV/AIDS, Chlamydia, Herpes | Primarily through sexual contact (vaginal, anal, oral); sometimes blood, mother to child. |
| Vector-borne Diseases | Filariasis, Malaria, Dengue, Zika | Through the bite of an infected arthropod (like mosquitoes, ticks, flies). |
| Airborne Diseases | Tuberculosis, Measles, Influenza | Through droplets in the air when a person coughs or sneezes. |
| Waterborne Diseases | Cholera, Typhoid | By consuming contaminated water. |
Understanding how different diseases spread is crucial for prevention. While STDs are prevented through safer sexual practices, vector-borne diseases like Filariasis require different strategies.
Different types of diseases require specific prevention and control methods based on their mode of transmission. Identifying the transmission route is the first step in effectively fighting a disease.
Adenosine deaminase deficiency is caused by __________ of the gene.
Identify the statements which hold true for Phenylketonuria.
Choose the correct answer from the options given below:
'Terror of Bengal' is another name of:
Match List-I with List-II:
| List-I (Pathogen) | List-II (Disease) |
|---|---|
| (A) Wuchereria | (I) Typhoid |
| (B) Plasmodium | (II) Pneumonia |
| (C) Streptococcus | (III) Malaria |
| (D) Salmonella | (IV) Elephantiasis |
Choose the correct answer from the options given below:
Haemophilia is a