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. 2024 Sep 11;9:223. doi: 10.1038/s41392-024-01917-x

Table 10.

Representative medical countermeasures for bunyaviruses

Classification Name Platform/Strategy Stage Efficacy/Benefic References
Vaccines Live attenuated vaccine Live attenuated RVFV Licensed (Veterinary) Immunogenic but are of safety concerns 601,603,923927
Subunit vaccine Expressing the eGn and full-length Gc of RVFV Preclinical Protect sheep 604,605
Viral like particles Formulate VLPs of RVFV based on Insect Protein Expression System Preclinical Complete protection in mice 607
DNA vaccine Encoding the M-segment GPC gene or expressing GPC and the NP of CCHFV Preclinical Immunogenic and protect mice and NHPs 570,597,609
Encoding the Gn and Gc glycoproteins of RVFV Preclinical 612
mRNA vaccine Encoding for the CCHFV N or glycoproteins (GcGn) Preclinical Complete protection against mice 606
CAdVax-GnGc Expressing RVFV GnGc based on complex adenovirus-vectored Preclinical Immunogenic and protect animals 611
MVA/Adv-N Deliver the N gene of CCHFV based on MVA or Adv vector Preclinical Partially protection in mice 599,613
Replicon RNA Expressing CCHFV N or GPC Preclinical Complete protection in mice 614
Antibodies 8A1, 11E7, and 30F7 Mouse antibodies targeting CCHFV Gn/Gc Preclinical Protect neonatal mice 553,623
mAb-13G8 Mouse antibodies targeting CCHFV GP38 Preclinical Protect IFNAR−/− mice 552,624
c13G8 Chimeric human-mouse antibody Preclinical
ADI-37801/ 36121/36145 Human antibodies targeting CCHFV Gc Preclinical Complete protection in mice 626
RVFV-268 Human antibodies targeting RVFV Gn Preclinical Prevents vertical transmission in rat/sterilizing immunity 630,633
RVFV-268 + RVFV-140 Human antibodies targeting RVFV Gn Preclinical Effective at minimal doses and blocking both attachment and fusion 632
R4, R12, R13, R16, R17, R19 and R22 Human antibodies targeting RVFV Gn/Gc Preclinical Complete protection in mice 634
Small molecular drugs Ribavirin Broad spectrum antiviral drug Preclinical Controversial efficacy 616,617,913,915
Favipiravir or derivative (H44) RdRp inhibitor Preclinical Reduced mortality rate and decreased viral loads in mice/NHPs 616,618,619
Fluorocytidine and molnupiravir RdRp inhibitor Preclinical Favorable therapeutic effects in vitro 618,620

RVFV Rift valley virus, eGn Gn ectostructural domain, VLPs Viral like particles, GPC Glycoprotein precursor, NP Nucleocapsid protein, CCHFV Crimean Congo hemorrhagic fever virus, Adv Adenovirus, MVA Modified vaccinia virus Ankara, RdRp RNA dependent RNA polymerase, NHPs nonhuman primates