Table 3 Excluded studies and reasons for exclusion

Cyril et al. (2021) [32]

Viral load or Ct value changes was not reported

Anderson et al. (2022) [33]

In vitro study

Takeda et al. (2022) [34]

In vitro study

Khan et al. (2020) [2]

Viral load or Ct value changes was not reported

Jain et al. (2021) [35]

In vitro study

Huang et al. (2021) [36]

Viral load or Ct value changes was not reported

Carroul et al. (2020) [12]

Technical notes

Filho et al. (2021) [37]

Technical notes

Almanza-Reyes et al. (2021) [38] 

Viral load or Ct value changes of participants was not reported