Vaccination Status

Vaccination Status

Rationale and Instructions

Vaccinations are among the most effective and evidence-based tools for preventing infectious diseases and protecting public health (1,2). Vaccines work by stimulating the immune system to produce protective antibodies that recognize and neutralize specific pathogens, including viruses and bacteria. By maintaining an up-to-date vaccination status, individuals can significantly reduce their risk of infection, severe illness, hospitalization, and death from vaccine-preventable diseases.

Beyond individual protection, vaccines play a critical role in community immunity (herd immunity). When a sufficient proportion of the population is immunized, disease transmission is reduced, helping protect individuals who cannot be vaccinated or who have weakened immune systems, such as infants, older adults, and immunocompromised individuals. High vaccination coverage therefore strengthens population-level resilience against infectious disease outbreaks.

Vaccinations are also a cornerstone of pandemic prevention and preparedness. Pandemics—large-scale outbreaks affecting multiple regions or countries—can lead to widespread illness, mortality, social disruption, and economic instability. Historical examples include the 1918 influenza pandemic, the 2009 H1N1 influenza pandemic, and the COVID-19 pandemic. Vaccines help mitigate pandemics by limiting transmission of emerging pathogens and reducing disease severity, thereby preventing health systems from becoming overwhelmed.

A key challenge in pandemic response is the rapid and equitable development and distribution of vaccines. This requires scientific innovation, global cooperation, and strong healthcare infrastructure. During the COVID-19 pandemic, international initiatives such as the Coalition for Epidemic Preparedness Innovations (CEPI) and the COVAX Facility played essential roles in accelerating vaccine research, regulatory approval, and global distribution (3,4). Despite these efforts, disparities in vaccine access persist, particularly in low- and middle-income countries. Addressing these gaps will require expanded manufacturing capacity, resilient supply chains, and policies that ensure fair and affordable access to vaccines worldwide.

In summary, maintaining an up-to-date vaccination status is essential for personal health, community protection, and global pandemic preparedness. Vaccines save lives, reduce preventable suffering, and protect vulnerable populations. However, vaccination alone is not sufficient to prevent future pandemics. Complementary public health measures—such as disease surveillance, testing, contact tracing, isolation and quarantine, improved hygiene, adequate ventilation, and evidence-based social distancing—remain critical (5,6). Additionally, addressing upstream drivers of emerging infectious diseases, including environmental degradation, wildlife trade, deforestation, urbanization, and increased human–animal interactions, is essential for long-term pandemic prevention (7,8).

References

Reasons for Adults to Be Vaccinated – Centers for Disease Control and Prevention (CDC)
Five Important Reasons to Vaccinate Your Child – U.S. Department of Health & Human Services (HHS)
Berkley, S. (2021). How to Prevent the Next Pandemic – Scientific American
Pandemics Overview – World Bank
How to Protect Yourself and Others – CDC
Pandemics: Definition, Prevention, and Preparation – WebMD
Pandemic Prevention – Wikipedia
Benefits of Getting a COVID-19 Vaccine – CDC

CDC Recommended Vaccines by Age

Vaccination against viral infections

	CDC Recommendations and Schedules	Score
Vaccines by Disease, CDC		0 if on schedule, or if vaccine is not recommended, otherwise 1
Viruses
Chicken pox (Varicella-Zoster virus)	Ideally 1 dose each at 1-2 year and 4-6 year. By default, 2 doses in teen or adult life.
Dengue (DENV 1-4)	Recommended only for 9-16 year with prior exposure to disease and living in endemic areas: Single dose.
Flu (Influenza viruses)	Yearly after 6 months
Hepatitis A (HAV)	Single dose (2 shots 6 months apart) for children between 12-23 month, or as catch-up for those unvaccinated between 2-18 year, or at-risk population.
Hepatitis B (HBV)	3 doses scheduled at 0,1 and 6 months, for all age groups
Human papilloma virus (HPV)	2 doses scheduled 6 to 12 months apart for age group 9-15 year, 3 doses needed if started later (15-26 year), not recommended after 26 years.
Measles (Morbillivirus)	2 doses (as part of MMR vaccine) in children, first at 12-15 month, then 2nd follow-up at 4-6 year. Unvaccinated teens and adults should catch up.
Mumps (Paramyxovirus)	2 doses (as part of MMR vaccine) in children, first at 12-15 month, then 2nd follow-up at 4-6 year. Unvaccinated teens and adults should catch up.
Polio virus (Inactivated Polio Vaccine, IPV)	4 doses scheduled at 2,4,6-18 month, then at 4-6 year.
Rotavirus	3-dose formulation (RotaTeq® (RV5) is given in 3 doses at ages 2 months, 4 months, and 6 months) or 2-dose (Rotarix® (RV1) is given in 2 doses at ages 2 months and 4 months)
Rubella (Rubivirus)	2 doses (as part of MMR vaccine) in children, first at 12-15 month, then 2nd follow-up at 4-6 year. Unvaccinated teens and adults should catch up.
Respiratory syncytial virus (RSV)	Single dose of either Arexvy or Abrysvo indicated for adults 60 year of age or older, and for pregnant women (Abrysvo only). New vaccines!
Shingles (Herpes zoster)	2 doses (Shingrix) separated by 2 to 6 months, for all adults 50 year or older, and for all 19 year or older who have weakened immune system.
Japanese encephalitis (JE virus)	Recommended only when traveling to endemic areas: 2 doses (IXIARO) scheduled 28 days apart. Vaccine approved for 2-month-old and older. 18–65-year-old could opt for 2nd dose after 7 days.
Rabies virus	Recommended only to special groups or travelers at risk: 4 doses (HDCV or PCEC administered IM) scheduled on day 0,3,7,14.
Smallpox (Variola virus)	Recommended only for special groups or when an outbreak is evident. ACAM2000® is administered as a single dose by the percutaneous route using the multiple puncture technique.
Yellow fever virus	Recommended only when traveling to endemic areas. Single dose of live attenuated virus. Booster recommended for selected group. Available at special vaccination sites only.
Covid 19	Recommended for all age groups older than 6 months, using Moderna or Pfizer-BioNTech latest vaccine and schedules.
Overall score

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"Prevention is better than cure" Desiderius Erasmus

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Vaccination against bacterial infections

	CDC Recommendations and Schedules	Score
Vaccines by Disease, CDC		0 if on schedule, or if vaccine is not recommended, otherwise 1
Bacteria
Diphtheria (Corynebacterium diphtheriae)	Babies and children: 3 shots of DTaP at 2,4,6 month, then 2 boosters at 15-18 month and 4-6 year, respectively. Preteens and teens: booster as Tdap. Adults: booster with Tdap every 10 years. Pregnant women: Tdap in early trimester.
Hemophilus influenza type b	3 doses (PedvaxHIB) or 4 doses (ActHIB or Hiberix) scheduled between 2-15 month, usually at 2,4,6 month if 3 doses, and an additional one between 12-15 month if 4 doses.
Meningococcal diseases (Neisseria meningitidis)	MenACWY routine for 11-12 years, followed by a booster at 16 years. Also recommended for children and adults at increased risk. MenB also available for all 10 year or older at increased risk.
Pneumococcal diseases (Streptococcus pneumoniae)	Pneumococcal conjugate vaccines (PCV 13,15, 20) recommended for all children younger than 5-year, 5-64 year at increased risk, and 65 year and over. Pneumococcal polysaccharide vaccine (PPSV23) recommended for 2-18 year with certain medical conditions, and for 18 year and older who had PCV15.
Tetanus (Clostridium tetani)	Babies and children: 3 shots of DTaP at 2,4,6 month, then 2 boosters at 15-18 month and 4-6 year, respectively. Preteens and teens: booster as Tdap. Adults: booster with Tdap every 10 years. Pregnant women: Tdap in early trimester.
Whooping cough (Bordetella pertussis)	Babies and children: 3 shots of DTaP at 2,4,6 month, then 2 boosters at 15-18 month and 4-6 year, respectively. Preteens and teens: booster as Tdap. Adults: booster with Tdap every 10 years. Pregnant women: Tdap in early trimester.
Tuberculosis (Mycobacterium tuberculosis)	BCG recommended only for special cases.
Typhoid fever (Salmonella typhi)	Recommended only when traveling to endemic areas.
Overall score

"Prevention is better than cure" Desiderius Erasmus

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Preventive medicine plays a crucial role in enhancing public health by focusing on proactive measures to avoid illness. By promoting healthy lifestyles, vaccinations, and early screenings, it significantly reduces the burden on healthcare systems and improves overall quality of life. It empowers individuals to take charge of their well-being and fosters a healthier, more sustainable society.

a health checklist