Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic representation of potential multivalent vaccine strategies targeting WHO priority emerging pathogens. Diseases are broadly grouped according to geographical distribution and incidence. MERS, Middle East respiratory syndrome; SARS, severe acute respiratory syndrome; CCHF, Crimean–Condo haemorrhagic fever; SFTS, severe fever with thrombocytopenia.
