BBB	Blood–brain barrier
BMI	Body mass index
CNS	Central nervous system
CPK	Creatine kinase
COVID-19	Coronavirus disease-19
CRP	C-reactive protein
CS	Cytokine storm
ESR	Erythrocyte sedimentation rate
FORD	Free oxygen radical defense
FORT	Free oxygen radicals test
ICU	Intensive care unit
IL	Interleukin
mAbs	Monoclonal antibodies
NBCs	Natural bioactive compounds
NOS2	Nitric oxide synthase-2
OS	Oxidative stress
PCR	Polymerase chain reaction
PEA	Palmitoylethanolamide
PPARα	Proliferator-activated receptor alpha
PTV	Policlinico Tor Vergata
ROS	Reactive oxygen species
rRT	reverse transcriptase real time
SARS-CoV-2	Severe acute respiratory syndrome coronavirus-2
TLR	Toll-like receptor
TNF	Tumor necrosis factor
um-PEA	Ultramicronized palmitoylethanolamide