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Published on: Sep 01, 2021
3 minute read
By: Second Medic Expert

Why Do We Need Two Doses Of Vaccine?

Why do we need two doses of vaccine?

Vaccination is a two-fold protective measure for preventing illness. The first dose alerts the immune system to the presence of a certain virus or bacterium, and it creates a cellular immunity of sorts. The second dose is required to alert the body's antibodies, which are typically slower acting but more powerful bodies of defenses. These antibodies present themselves naturally in our bodies after vaccination, forming what we know as "natural specific immunity." To get that natural specific immunity from your second vaccination shot, you will need both injections at least six weeks apart. Essentially then, getting vaccinated twice in quick succession has no effect on your ability to build up natural specific immunity because you'll already be protected by cellular-specific immunity when you receive your second one.

The second dose helps to reduce the incidence of infectious disease. A major reason for a second dose is "herd immunity," in which a high proportion of people within a population have been vaccinated to provide what is known as "community protection" against an infection's spread. This limits the number of individuals who might otherwise be vulnerable or susceptible to contracting and transmitting infection. For this reason, everyone needs to do their part in making sure their own vaccinations are up-to-date and take care does not infect others when they're around them with compromised immune systems--primarily infants too young to have ever been vaccinated or anyone who cannot get vaccines for medical reasons such as being immunosuppressed.

The second dose of the vaccine introduces a different version of the virus into your system to allow your body to develop an immunity because not all viruses are 100% susceptible to the first vaccine.

The effectiveness of vaccination does decline over time, so another injection can help prolong immunity for 5-6 years before it's necessary to vaccinate again. It may be because there are different versions or "strains" or versions of viruses that vaccines don't always work well on. Or there are definitions for "immunity" that are different from ours - whether you have antibodies in your blood doesn't always show true protection against an infection! Of course, we recommend asking a medical professional if you're really interested in this question.

Reason #1: Whether an individual had natural immunity previously. The first shot could wear off for some people, so the second dose ensures that there is protection long after the first dose has worn off.

Reason #2: Some children do not develop strong enough immunity when given just one vaccine dose or they received their vaccines too early in life and later required a booster shot so the best way to protect them is with two doses.

Third Medic Medical consultation online To improve chances of inducing protective immunity in unvaccinated groups during outbreaks, it may be advisable to administer two doses of vaccines to maximize coverage among these populations The cold virus mutates extremely rapidly, and your chances of contracting a mutated strain of cold virus from the vaccine are higher if you skipped the first round. The goal here is to vaccinate as many people as possible with a vaccine that is most likely going to protect them from infection. That’s because even if 50% of those vaccinated this year will not be protected from contracting the disease, that 50% who do end up not being able to contract it are still more protected than they would have been had there been no vaccination. If you argue that vaccines don't work, then you are arguing that children should go untreated for deadly diseases because populations can never get rid of all illnesses at once!

This is a two-fold concern. First, we're aiming to create immunity against the disease more rapidly and it appears that this isn't accurate if we only vaccinate once; we need to boost with two doses at least one month apart. Second, because there are limitations in the science behind vaccination, it's difficult to tell who will have the highest reaction or reaction frequency. So for absolute safety, most doctors recommend three doses at any point in life for those who've never been vaccinated before

Second dose of the vaccine is to confer "immunity." If you happen to be exposed to a virus or bacteria and recover, your body will remember and create antibodies for that specific infection. A second dose of the vaccine provides enough time for those immunities to build up.

If you take the first dose, and go out right afterward to play with friends--this could lead the immune system into mistakenly attacking your own tissues as if they were infected as well because it doesn't yet know not them as healthy tissue.

The first dose is more or less a "primer" and the second dose corresponds with the timing of the typical infectious disease infection. Estimating how long it takes for immunity to develop also depends on which vaccine is being administered. Different viruses elicit variable immune responses, which means that they need different types of vaccines to work best. It's been found, for instance, that most people who receive an influenza vaccination require two doses about four weeks apart to fight off the flu properly. In addition, live attenuated influenza vaccine spurs fewer immunological side effects because it contains weakened versions of elements from virus strains already circulating among humans – since those factors are weaker than their intact counterparts found in a regular flu shot or nasal spray.

The two-dose vaccine regimen is a tried and tested method showing excellent effectiveness.

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How Weekly Onsite Yoga Benefits Corporate Wellness: A Preventive Approach to Workplace Health

Corporate wellness programs are evolving rapidly. Traditional initiatives such as annual health checkups and gym memberships are no longer sufficient to address modern workplace health challenges. Rising stress levels, sedentary routines and burnout have pushed organisations to adopt preventive, sustainable wellness strategies. One of the most effective among these is weekly onsite yoga.

Understanding how onsite yoga weekly benefits corporate wellness highlights why this ancient practice has become a modern workplace necessity. Yoga addresses both physical and mental health, making it uniquely suited for today’s high-pressure corporate environments.

Why Corporate Wellness Needs Preventive Solutions

According to the Indian Council of Medical Research (ICMR) and workplace health reports, lifestyle-related disorders such as hypertension, diabetes, obesity and mental health conditions are increasingly affecting working professionals.

Key workplace health challenges include:

prolonged sitting
poor posture
chronic stress
sleep disturbances
reduced physical activity

Preventive interventions are essential to reverse these trends before they result in chronic disease and productivity loss.

What Is Weekly Onsite Yoga?

Weekly onsite yoga involves structured yoga sessions conducted at the workplace by trained instructors. These sessions typically include:

stretching and mobility exercises
breathing techniques
simple yoga postures
relaxation and mindfulness practices

Sessions are designed to be inclusive, requiring no prior yoga experience.

Why Weekly Frequency Matters

Consistency is the foundation of wellness.

Weekly yoga sessions:

reinforce healthy habits
prevent accumulation of stress
support gradual physical improvement
encourage long-term participation

Unlike one-time workshops, weekly programs deliver sustained impact.

Physical Health Benefits of Onsite Yoga

Reduces Musculoskeletal Problems

Desk-based work often leads to back pain, neck stiffness and joint discomfort. Yoga improves:

posture
flexibility
muscle strength

This reduces work-related musculoskeletal disorders.

Improves Cardiovascular and Metabolic Health

Regular yoga practice supports:

blood pressure regulation
improved circulation
better glucose control

WHO recognises yoga and similar mind-body practices as beneficial for lifestyle disease prevention.

Enhances Energy Levels

Yoga improves oxygenation and circulation, reducing fatigue and mid-day energy crashes.

Mental Health Benefits in the Workplace

Reduces Stress and Burnout

Yoga lowers cortisol levels and activates the parasympathetic nervous system, promoting relaxation.

This helps employees:

manage deadlines calmly
recover from mental fatigue
reduce anxiety

Improves Focus and Cognitive Performance

Breathing and mindfulness practices improve:

attention span
mental clarity
decision-making

Better focus directly translates into improved productivity.

Supports Emotional Wellbeing

Regular yoga enhances emotional regulation, reducing irritability and improving workplace relationships.

Impact on Productivity and Performance

Healthy employees perform better.

Weekly onsite yoga contributes to:

reduced absenteeism
fewer stress-related sick days
improved work engagement
sustained productivity

EY-FICCI corporate wellness studies show that preventive wellness programs deliver measurable performance benefits.

Role in Building a Wellness-Oriented Culture

Onsite yoga sends a strong message that employee wellbeing is a priority.

It helps organisations:

foster trust and engagement
encourage work-life balance
create a supportive environment

Wellness culture improves retention and employer branding.

Inclusivity and Accessibility

One of yoga’s biggest strengths is adaptability.

Onsite yoga:

suits all age groups
accommodates different fitness levels
requires minimal equipment
can be modified for health conditions

This inclusivity ensures broad participation.

Cost-Effectiveness and ROI

Compared to advanced medical interventions, onsite yoga is:

low-cost
scalable
preventive rather than reactive

By reducing long-term healthcare costs, yoga delivers high return on investment for employers.

Yoga as Part of Preventive Healthcare

Preventive healthcare focuses on reducing risk factors before disease develops.

Weekly onsite yoga supports prevention by:

lowering stress-related disease risk
improving metabolic health
encouraging active lifestyles
supporting mental resilience

NITI Aayog recognises workplace wellness as a key lever for national health improvement.

Integration with Corporate Wellness Programs

Onsite yoga works best when integrated with:

preventive health checkups
stress management initiatives
nutrition education
digital health tracking

Integrated programs deliver stronger outcomes than isolated activities.

Overcoming Common Barriers

Some organisations hesitate due to:

time constraints
perceived lack of interest
space concerns

However, short, well-structured sessions (30–45 minutes) overcome these challenges effectively.

Long-Term Impact on Organisations

Organisations that adopt weekly onsite yoga observe:

healthier workforce
reduced burnout
improved morale
better long-term healthcare outcomes

Lancet workplace health studies show that consistent mind-body interventions yield benefits within 6–12 months.

Conclusion

Understanding how onsite yoga weekly benefits corporate wellness reveals why it is more than a fitness activity—it is a preventive health strategy. By addressing physical strain, mental stress and lifestyle risks, weekly onsite yoga supports healthier employees, stronger productivity and sustainable wellness culture. In today’s demanding corporate environment, investing in regular yoga sessions is an investment in long-term organisational resilience and success.

References

ICMR – Workplace Health and Lifestyle Disease Reports
National Family Health Survey (NFHS-5) – Adult Health and Stress Indicators
NITI Aayog – Preventive Healthcare and Workplace Wellness Strategy
WHO – Physical Activity, Yoga and Mental Health Guideline
Lancet – Mind-Body Interventions and Workplace Health Outcomes
EY-FICCI – Corporate Wellness and Productivity Report
Statista – Corporate Wellness Program Trends India

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