Table 1.

Effectiveness of the available COVID-19 vaccines. Data from the Institute for Health Metrics and Evaluation (IHME) [8].

Vaccine	Effectiveness (%) in Preventing
	Ancetral Variant		Delta Variant		Omicron Variant
	Severe Disease	Infection	Severe Disease	Infection	Severe Disease	Infection
Moderna	97	92	97	91	73	48
Pfizer/BioNTech	95	86	95	84	72	44
Sputnik	92	86	89	85	67	44
Novavax	89	83	86	82	65	43
Covaxin	78	73	76	72	57	38
Oxford/Astra-Zeneca	94	63	94	69	71	36
Sinopharm	73	68	71	67	53	35
Janssen	86	72	76	64	57	33
CoronaVac	50	47	49	46	37	24
Convidecia	66	62	64	61	48	22