Lymphatic Filariasis is a neglected tropical disease that affects millions of people worldwide. Let us analyze the given statements to determine their correctness:

Statement 1: Lymphatic Filariasis is caused by a virus.
Statement 2: Lymphatic Filariasis impairs the lymphatic system and can lead to the abnormal enlargement of body parts.

Statement 1: Lymphatic Filariasis is caused by a virus.
This statement is incorrect. Lymphatic Filariasis is not caused by a virus, but by parasitic worms. The disease is primarily caused by three species of filarial worms - Wuchereria bancrofti, Brugia malayi, and Brugia timori. These worms are transmitted to humans through the bites of infected mosquitoes.

Statement 2: Lymphatic Filariasis impairs the lymphatic system and can lead to the abnormal enlargement of body parts.
This statement is correct. Lymphatic Filariasis indeed impairs the lymphatic system, which is responsible for maintaining the body's fluid balance and fighting infections. The filarial worms infect the lymphatic vessels, causing inflammation and obstruction. Over time, this leads to the accumulation of fluid in the affected areas, most commonly the limbs and genitals. This results in the abnormal enlargement of body parts, a condition known as lymphedema.

In addition to lymphedema, Lymphatic Filariasis can also cause another condition called elephantiasis. Elephantiasis is characterized by severe swelling and thickening of the skin, particularly in the lower extremities. It can cause significant disability and disfigurement, leading to social and economic burdens for those affected.

Lymphatic Filariasis is a significant public health problem in many countries, particularly in tropical and subtropical regions. It affects over 120 million people globally, with about 40 million of them experiencing chronic symptoms. The disease can be diagnosed through clinical examination, blood tests, and microscopic examination of blood samples for the presence of microfilariae, which are the immature forms of the filarial worms.

Prevention and control of Lymphatic Filariasis primarily involve two approaches: mass drug administration and mosquito control. Mass drug administration involves the periodic distribution of antifilarial medications to entire at-risk populations, even if individuals are not showing symptoms. This helps in reducing the parasite load and preventing the transmission of the disease. Mosquito control measures, such as the use of insecticide-treated bed nets and indoor residual spraying, are also essential to prevent the spread of the infection.

In conclusion, the correct statement regarding Lymphatic Filariasis is statement 2: It impairs the lymphatic system and can lead to the abnormal enlargement of body parts.