COVID-19 Vaccine (Moderna)

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The Moderna COVID-19 vaccine is an mRNA based vaccine which is approved in the United States to prevent symptomatic COVID-19 infection. The Moderna vaccine was the second COVID-19 vaccine to be approved for distribution in the United States, and it was granted Emergency Use Authorization by the United States Food and Drug Administration (FDA) on 18 December 2020.

The approved dosing regimen is two doses, 100 μg each, administered 28 days apart. The vaccine is approved for individuals 18 years of age and older.

The vaccine is intended to prevent the COVID-19 illness, which is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The Moderna vaccine targets the SARS-CoV-2 spike glycoprotein (S).

Clinical Features


  • Type: SARS-CoV-2 spike glycoprotein (S) antigen encoded by RNA and formulated in lipid nanoparticles (LNPs).
  • Dosage Forms: 2 doses of 100 μg each, administered 28 days apart.
  • Routes of Administration: Intramuscular
  • Common Trade Names: Moderna COVID-19 Vaccine, Moderna Vaccine

Adult Dosing

Pediatric Dosing

Special Populations

Pregnancy Rating

Lactation risk

Renal Dosing

  • Adult:
  • Pediatric:

Hepatic Dosing

  • Adult:
  • Pediatric:


  • Allergy to class/drug

Adverse Reactions




  • Half-life:
  • Metabolism:
  • Excretion:

Mechanism of Action


See Also

External Links