How soon can you go swimming after having threadworm?

Threadworms (UK): Known as pinworms in the us. Pinworm infections are rarely spread through the use of swimming pools (unless heavly infested with e. Vermicularis). Re-infection rate is high & all close contacts should be simultaneously treated. Frequent hand washing and clipping the nails, as well as washing of bedding and clothing will help minimize rate of re-infection.