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Published on: Nov 13, 2020
2 minute read
By: Dr Rajan ( Medical Second Opinion Cell)

What Are Some Common Side Effects Of The COVID-19 Vaccine?

COVID Vaccine, the Pfizer update

On Monday Pfizer announced to the world the vaccine, once it has been developing with Germany's BioNTech, was found to be more than 90?fective. If this is substantiated, it may be possible for countries to receive the vaccine before the end of the year.

The Vaccine is an mRNA Vaccine, a novel method that introduces viral RNA into the body via a viral coat. The vaccine is incorporated into the person's cell, where the viral RNA is read and viral proteins are produced, including the coronavirus coat proteins. As the body reads and recognizes these proteins, it produces antibodies against these viral proteins and activates immune T cells against the virus.

The Pfizer results are based of a phase 3 clinical trial with 43, 538 participants with a diverse background. In this trial, the participants were split between those receiving a vaccine, and those who received a placebo with no effect. The vaccine is administered in two parts, with a 90?ficacy obtained 7 days after the second dose. This would mean a person is vaccinated just 28 days after the initial vaccination.

The FDA usually looks for a minimum 50?ficacy in vaccination when approving new vaccines. It may surprise you that the annual flu jab is also estimated to be 50?fective. The data from Pfizer was verified by an external, independent Data Monitoring Committee. It used data from 94 patients enrolled in the trial and subsequently developed COVID. It is from this groupset that 90% of efficacy is obtained. This is not the final data analysis, and further publications are expected in late November, with a potential FDA Emergency Use Authorisation approval if the data continues to show promise.

If approved, Pfizer has the ability to make 50 million shots before the end of the year, and 1.3 billion by the end of 2021. Many countries are clamoring for their fair share of these limited resources; the US has already negotiated 200m shots, UK 50m, and Germany (one of the major financers for the Pfizer vaccine) over 300m for European Countries.

We should emphasize that rapid vaccine development on this scale at this speed was unheard of prior to COVID. Usually, the animal studies for vaccines can take 1-2 years. In that time Pfizer and others have managed phase 1-3 clinical trials in humans, something that usually takes upwards of 10 years.

There are many unanswered questions that remain from this information.

How safe is the vaccine? Whilst safety information was not published, overall the vaccine appears to have minimal side effects. This is particularly difficult to state however since mRNA vaccines have never been used in people before.
Does the vaccine prevent transmission? In theory, yes. If you are immunized the replication of the virus should be limited significantly, so the number of viruses in each cough will be much lower. However, we do not have data to prove that there is no transmission, but that is also because we have very little data overall.
How long does the protection last? This is a very critical question. The 90?fectiveness rate was calculated just 7 days after the second shot, but it is likely this will change as data is collected over the long term. Some studies have suggested the antibody response fades within months following COVID infection. T Cell immunity on the other hand can stay for years, and it may be the effectiveness of creating a T cell immunity that dictates just how good this vaccine will be .

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Community Health Wellness Programs: Building Healthier Communities Together

Healthcare does not begin in hospitals—it begins within communities. Community health wellness programs play a vital role in strengthening preventive healthcare systems, improving early detection and reducing disease burden. In India, where both urban and rural populations face increasing lifestyle and infectious disease risks, community-level initiatives are essential.

According to the World Health Organization, preventive and primary healthcare services delivered at community level significantly reduce morbidity and mortality. Indian Council of Medical Research (ICMR) reports also highlight the rising burden of non-communicable diseases such as diabetes and hypertension, emphasizing the need for community-based interventions.

What Are Community Health Wellness Programs?

Community health wellness programs are organized efforts designed to:

promote preventive healthcare
increase health awareness
provide screening services
encourage healthy lifestyle adoption

These programs may be conducted by healthcare organizations, NGOs, corporate CSR initiatives or government agencies.

Why Community Programs Matter in India

India’s healthcare challenges include:

high population density
urban-rural disparities
limited early screening access
rising lifestyle diseases

NFHS-5 data shows increasing prevalence of hypertension, diabetes and obesity, especially in urban areas. Community-level screening improves early detection.

Key Components of Community Health Wellness Programs

1. Preventive Health Screening

Health camps often provide:

blood pressure checks
blood sugar testing
cholesterol screening
BMI measurement

Early detection prevents complications.

2. Health Education and Awareness

Workshops on:

balanced nutrition
physical activity
tobacco cessation
mental health

help individuals adopt healthier habits.

3. Vaccination Drives

Immunization programs reduce spread of infectious diseases.

Community outreach increases coverage.

4. Maternal and Child Health Services

Programs focus on:

prenatal care
nutrition guidance
child immunization

Protecting vulnerable populations strengthens long-term health.

5. Chronic Disease Management Support

Community programs support patients with:

diabetes
hypertension
asthma

Education improves medication adherence.

Benefits of Community Health Wellness Programs

Improved Early Detection

Screening identifies disease before symptoms worsen.

Reduced Healthcare Costs

Preventive care is more affordable than emergency treatment.

Increased Public Awareness

Educated communities make informed health decisions.

Better Access for Underserved Populations

Rural and low-income groups benefit significantly.

Strengthened Public Health Systems

Community-level intervention reduces burden on tertiary hospitals.

Role of Technology in Community Health

Digital health platforms enable:

teleconsultations
electronic health records
AI-assisted risk assessment

Technology improves efficiency and outreach.

Corporate and CSR Involvement

Many organizations integrate community health programs into CSR initiatives.

Such programs:

enhance brand reputation
promote employee engagement
contribute to social impact

Corporate-community partnerships amplify reach.

Addressing Urban Health Challenges

Urban populations face:

pollution exposure
sedentary lifestyles
high stress

Community programs provide screening and awareness to mitigate risk.

Addressing Rural Health Gaps

Rural areas may lack access to:

specialists
diagnostic services
preventive screening

Mobile health camps bridge this gap.

Measuring Impact

Successful programs track:

number of screenings conducted
disease detection rates
follow-up adherence
reduction in risk factors

Data-driven evaluation improves sustainability.

Long-Term Impact on Public Health

Community health wellness programs contribute to:

reduced chronic disease burden
improved life expectancy
stronger healthcare infrastructure

Preventive care at grassroots level creates systemic improvement.

Challenges in Implementation

Common challenges include:

limited funding
awareness barriers
logistical constraints

Collaboration between government, private sector and NGOs improves scalability.

The Future of Community Wellness in India

With rising lifestyle diseases and growing awareness, community wellness initiatives will become central to public health strategy.

Integration of digital tools, preventive screenings and education campaigns will enhance impact.

Conclusion

Community health wellness programs are essential for building resilient and healthier societies. By promoting preventive care, early screening and health education, these initiatives reduce disease burden and improve quality of life. In India’s diverse and rapidly evolving healthcare landscape, community-based wellness efforts serve as a foundation for sustainable public health progress. Investing in community health today ensures stronger, healthier generations tomorrow.

References

World Health Organization (WHO) – Community Health and Preventive Care Reports
Indian Council of Medical Research (ICMR) – Non-Communicable Disease Data
National Family Health Survey (NFHS-5) – Public Health Statistics
NITI Aayog – Primary and Preventive Healthcare Strategy
Lancet – Public Health and Community Intervention Research

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