Filariasis is an infectious parasitic disease that affects both humans and animals. It is caused by filarial nematode worms. The document discusses the clinical signs and symptoms of both acute and chronic filariasis, methods for diagnosing the disease through clinical and laboratory means, and approaches for preventing, eradicating, and treating filariasis including mass treatment, selective treatment, and individual treatment. The purpose is to provide information about the disease filariasis.