S. pneumoniae

Salmonellosis

Sandfly-borne diseases

SARS-CoV-2

Schmallenberg virus

Seasonal influenza

Severe acute respiratory syndrome (SARS)

Sexually transmitted infections

Shigellosis

Sindbis fever

Smallpox

Streptococcus pneumoniae

Swine-origin influenza

Syphilis

Syphilis, congenital