There are multiple definitions:

1. respiratory syncytial virus(English)

   • common, and very contagious, virus that infects the respiratory tract of most children before their second birthday
   • FIRSV, HRSV
   • Pulmonology, Pediatrics, Transmissible disease, Virology
   • https://www.cdc…/rsv/index.html

2. Rous sarcoma virus(English)

   • Virology

3. right subclavian vein(English)

   • LSV
   • Anatomy

4. right sinus of Valsalva(English)

   • PSV
   • Cardiology

5. resveratrol(English)

   • (3,5,4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol, and a phytoalexin produced by several plants in response to injury or when the plant is under attack by pathogens, such as bacteria or fungi
   • Nutrition, Mycology
   • https://pubchem…/Z_-Resveratrol

6. relative search volume(English)

   • related to "coronavirus" precisely reflected public interest during the beginning of the COVID-19 pandemic. As public interest has strongly declined, information distribution regarding the newest developments over the entire course of the pandemic will be a major public health challenge
   • COVID-19
   • Public Health
   • https://doi.org…055/a-1398-5417