Unusual increase in RSV cases Pixabay via MGN online Local pediatricians are noticing a drop-off in visits from parents for their doctors because of the coronavirus pandemic. By: Isamar Martinez and last updated 2021-07-28 21:07:02-04 CORPUS CHRISTI, Texas â Health experts are growing in concern over another viral infection spreading in our region. The symptoms associated with Respiratory Syncytial Virus, commonly known as RSV, are usually mild but can be severe for infants and children with chronic diseases and compromised immune systems. Local doctors say the recent number of cases being reported are highly unusual for this time of year.