This implies that the respiratory mechanism that could have been present in this parasite in the past was not working much. Researchers believe that with time the respiratory genes phased out of H ...

The term "pneumonia" describes a group of symptoms that may be caused by bacteria, viruses, parasites ... lives in the respiratory tract of 15 percent of the population without causing problems.

Once ingested, roundworms become parasites in their host ... and in some cases, respiratory symptoms such as coughing, ...

This parasite is transmitted through the ingestion of infected intermediate hosts, such as snails and slugs. Infections can result in a range of clinical symptoms, including respiratory distress ...