Coronavirus disease 2019 (COVID-19)
Pneumococcal conjugate vaccine
Medicine
2019-20 coronavirus outbreak
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
Virology
Betacoronavirus
Coronavirus Infections
Pediatrics
Streptococcus pneumoniae
Internal medicine
Biology
Outbreak
Infectious disease (medical specialty)
Disease
Bacteria
Genetics
