Journal of Food Bioactives, ISSN 2637-8752 print, 2637-8779 online
Journal website www.isnff-jfb.com

Review

Volume 16, December 2021, pages 25-33


The prevention and treatment of COVID-19 and related development during pandemic

Figure

Figure 1.
Figure 1. Overview the main axis of this review, summarizes the main strategies for the treatment and prevention on COVID-19 infection, and the evolution of the SARS-CoV-2.

Tables

Table 1. Variants of SARS-CoV-2
 
LineagePlace of emergenceDate of emergencePhenotypes
Reference sequence
  Wuhan-Hu-1ChinaDec 2019Pneumonia (Ciotti et al., 2019)
Variants of concern (VOC)
  AlphaUKSep 2020Increase transmissibility, severity and mortality (Aleem et al., 2021)
  BetaSouth AfricaAug 2020Increase transmissibility, reduce virus neutralization ability of antibody therapy
  GammaBrazilJul 2020Reduce virus neutralization ability of antibody therapy
  DeltaIndiaDec 2020More transmissible than Alpha variant, vaccine is less effective
  OmicronSouth AfricaNov 2021More transmissible than other variants, vaccine is less effective
Variants of interest (VOI)
  EpsilonUSASep 2020Increase transmissibility, reduce virus neutralization ability of antibody therapy (Arav et al., 2021)
  ZetaBrazilOct 2020Potential reduction in neutralization by antibody treatments and vaccine sera (Panzera et al., 2021)
  EtaWorldwideDec 2020Potential reduction in neutralization by antibody treatments and vaccine sera (Ozer et al., 2021; Pereira et al., 2021)
  ThetaPhilippinesJan 2021Potential reduction in neutralization by antibody treatments and vaccine sera (Ferraz et al., 2021)
  IotaUSANov 2020Lower susceptibility to the combination bamlanivimab-etesevimab monoclonal antibody treatment (Mahase, 2021a)
  KappaIndiaOct 2020(Chakraborty et al., 2021b; Kumar et al., 2021)
  LambdaPeruDec 2020Increase transmissibility, evasion from neutralizing antibodies, resistance to antiviral immunity (Kimura et al., 2021; Romero et al., 2021)

 

Table 2. Platforms of vaccine development on COVID-19*
 
Type of platformExample of candidate vaccinesNumber of doses requiredRoute of administration
*Part of information was adopted from WHO web site: Draft landscape of COVID-19 candidate vaccines. https://www.who.int/publications/m/item/draft-landscape-of-covid-19-candidate-vaccines. IM: intramuscular, ID: intradermal, IV: intravenuous, SC: subcutaneous, IN: intranasal.
Inactivated whole virus (IV)Sinovac, Beijing/Sinopharm BBIBP-CorV, Sinovac CoronaVac2IM
Protein subunit (PS)Novavax NVX-CoV2373, Vector Institute EpiVacCorona, MVC-COV19012IM
Virus-like particle (VLP)Medicago CoVLP2IM
Live attenuated virus (LAV)Covi-Vac, MV-014-2121–3IN
Non-replicating virus vector (NRVV)Oxford/AstraZeneca ChAdOx1-S, Cansino Ad5-nCoV, Gamaleya Gam-COVID-Vac/Sputnik V, Janssen Ad26.COV2.S1–2IM
DNAInovio INO-4800, AnGes AG0302-COVID192ID/IM
mRNABioNTech/Pfizer BNT162b2, Moderna mRNA-12732IM
Replicating virus vector (RVV)AdCLD-CoV-191IM
Replicating virus vector plus antigen presenting cell (RVV+APC)Dendritic cell vaccine AV-COVID-191IM
Non-replicating virus vector plus antigen presenting cell (NRVV+APC)LV-SMENP-DC1SC & IV

 

Table 3. : Potential antiviral drugs on COVID-19 treatment
 
Name of drugsOrigin useMode of Action on SARS-CoV-2Current situation on COVID-19*
*Part of the information is adopted from https://viralzone.expasy.org/9078.
Camostat mesilateRelieve symptom of chronic pancreatitisBlockade of TMPRSS2ND
Hydroxychloroquine/chloroquineAnti-malaria drugInhibition of endosome fusionNo benefit in clinical trials
Arbidol (Umifenovir)Broad spectrum antiviral drugsInhibition of virus releasingND
Lopinavir/RitonavirAnti-retroviral drugInhibit 3C-like proteaseNo benefit in clinical trials
FavipiravirAnti-influenza virus drugNucleoside analog, inhibit viral RNA-dependent RNA polymeraseNo evidence of SARS-CoV-2 inactivation
RemdesivirViral polymerase inhibitorNucleoside analog, inhibit viral RNA-dependent RNA polymeraseApproved, but weakly effective in clinical trials
MolnupiravirAnti-influenza virus drugNucleoside analog, inhibit viral RNA-dependent RNA polymeraseUnder investigation, approved
PaxlovidAnti-SARS-CoV-2Inhibit 3C-like proteaseUnder investigation