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RSV infection

Compared within 1 study that had both: 58 people with RSV infection and 37 healthy people. 2 genera are less common in people with RSV infection, and 2 more common.

A difference is an association: it doesn’t mean these genera cause, prevent or treat RSV infection. GMrepo reports this group at the genus level only, so these are genera, not species.

Phylum

Searching opens both lists and shows only matching rows.

Less common in RSV infection · 2

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Lactobacillus genus in 1 study Healthy 54% RSV infection 12%
  2. Acinetobacter genus in 1 study Healthy 65% RSV infection 22%

More common in RSV infection · 2

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Muribaculaceae genus in 1 study Healthy 41% RSV infection 95%
  2. Odoribacter genus in 1 study Healthy 24% RSV infection 74%

Where these numbers come from

Studies
Only GMrepo projects that had people with the condition and healthy people, 10 or more of each. Numbers come from those studies, never from pooling.Sampled in the United States.
How common
The share of people whose sample has any of it, in the people with the condition and in the healthy people of those same studies. Tested within studies (Cochran–Mantel–Haenszel, corrected for testing many microbes); a difference counts when it is clear and meaningful (Cohen’s h of 0.2 or more).
Strength word
Counted by code from how many studies point the same way: Seen again and again (3 or more, none clearly the other way), Seen more than once (2, the majority), Seen once (1, listed last). Where studies disagree, a row isn’t listed.
Each study
Tap a row for every study’s own numbers, and for how much carriers have.
Analysis
Our analysis of GMrepo data. GMrepo on Data sources · Read the rules

Also compared · 56 genera

Compared within studies that had both, but not listed above.

No meaningful difference · 56
PubMed · human studies and reviews first

Recent research

All research on it
  1. Virologica Sinica · 2026
    Metatranscriptomics uncovers host immune and microbiome signatures specific to and shared between human metapneumovirus and respiratory syncytial virus infections in children.
    PubMed ↗
  2. Animal study Acta pharmacologica Sinica · 2021
    Probiotics protect against RSV infection by modulating the microbiota-alveolar-macrophage axis.
    PubMed ↗
  3. Scientific reports · 2019
    Prevention of respiratory syncytial virus infection with probiotic lactic acid bacterium Lactobacillus gasseri SBT2055.
    PubMed ↗

Source: PubMed, U.S. National Library of Medicine · 3 linked papers, last 10 years