Table 4.

Summary of adjuvant aerosol treatments for COVID-19.

Author	Journal	Therapy	Protocols
Parshuram et al. [171]	Crit. Care 2011	(1) Interferon alpha (IFN-α)	(1) Interferon alpha (IFN-α): inhalation (dose of 5 million units twice a day).
Chen et al. [100]	World J. Pediatr. 2020	(1) Interferon alpha (IFN-α)	(1) Interferon-α2b inhalation: Mild subjects: dose of 100,000–200,000 IU/kg twice a day for a total of 1 week. Severe subjects: 200,000–400,000 IU/kg twice a day for a total of 1 week.
Dong et al. [120]	Pediatrics 2020	(1) Interferon alpha (IFN-α)	(1) Interferon alpha (IFN-α): inhalation 2/3 times a day.