Table 1.

Different types of currently available protocols employed in vaccine construction.

Vaccine Type		Target Pathogen/Disease
Nucleic acid based vaccine		SARS-Cov-2
Peptide based vaccine		SARS-Cov-2, Hepatitis B
Pathogen based vaccine	Live attenuated viral vaccine	Vaccina (smallpox), Measles, mumps, and rubella (MMR combined vaccine), Varicella (chickenpox), Influenza (nasal spray), Rotavirus, Zoster (shingles), Yellow fever
	Inactivated viral vaccine	Polio (IPV), Hepatitis A, Rabies
	Viral subunit vaccine	Hepatitis B, Influenza (injection), Haemophilus influenzae type b (Hib), Pertussis (part of DTaP combined immunization), Pneumococcal, Meningococcal, Human papillomavirus (HPV)
Adjuvant		Human papillomavirus (HPV) types 16 and 18, influenza (flu), Hepatitis B