Keyphrases
Swine
100%
Influenza-like Illness
100%
Production Facilities
100%
Swine Production
100%
North Carolina
37%
Influenza Virus
25%
Influenza Season
25%
H1N1
25%
United States
12%
Study Support
12%
Vaccine Strategy
12%
Influenza
12%
Illness Onset
12%
Feeding Practices
12%
Human Influenza
12%
Swine Workers
12%
Swine Industry
12%
Spatiotemporal Association
12%
Workers' Health Surveillance
12%
Virologic Surveillance
12%
Illness Activity
12%
Pharmacology, Toxicology and Pharmaceutical Science
Virus Infection
100%
Influenza Virus
100%
Flu Like Syndrome
100%
Influenza A Virus (H1N1)
20%
2009 H1N1 Influenza
20%
Veterinary Science and Veterinary Medicine
Influenza-Like Illness
100%
Virus Infection
100%
Swine Production
100%