• Published on: Jul 07, 2020
  • 1 minute read
  • By: Dr Rajan Choudhary

Asymptomatic Carriers Of COVID

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Why Asymptomatic carriers of COVID are as dangerous as symptomatic patients

 

Many countries have now begun enforcing masks for everyone to wear when out in public, in enclosed spaces, or on public transport. There is good evidence to support these measures, but unfortunately, some still show resistance to the idea. Whilst some reasons put forward are non-sensical (masks do not cause any noticeable or measurable decrease in oxygen delivery to the body), other people feel like they shouldn’t wear a mask because they do not have symptoms of COVID. And thus would not spread anything. Here we look at a recent publication in Nature, one of the most esteemed peer-reviewed scientific journals in the world, and what it shows us about the transmission of COVID in a population.

This study by Lavezzo et al looked at the suppression of the SARS-CoV-2 outbreak in the Italian municipality of Vo’. This municipality is 50 kilometers west of Venice with a population of just 3,416 people. It experienced its first casualty of COVID on the 21st of February, after which it underwent lockdown for 14 days. During this time data was collected on the clinical presentation and hospitalization of COVID patients, as well as other citizens through the contact tracing network.

In total 2,812 residents were tested in late February, with another 2,343 tests performed two weeks later at the end of lockdown. Nasal and throat swabs were taken to identify infected individuals. The study found only 2.6% of people were positive for COVID at the start of lockdown, which reduced to 1.2% two weeks later.

Out of this infected population, 42.5% were asymptomatic. They had no symptoms at the time of swab testing nor did they develop symptoms afterwards. When the viral load was measured between symptomatic and asymptomatic patients, there was little difference.

Evidence has pointed to a large asymptomatic population, and previous studies have shown it to be as high as 50% in some cases. Many would assume if a patient has no symptoms then they must have fought the infection before it became an issue, or had a very low viral load and therefore were not likely to spread it. This study shows it is simply not true. Asymptomatic carriers of COVID are likely to contribute to the transmission and spread of COVID amongst the population.

If you are asymptomatic you have as high a viral load as someone who is symptomatic. But there is no way to tell without a swab. You have as much of a potential to spread the infection to the vulnerable. Even in people who became symptomatic the height of transmission was found to be before the patient showed any symptoms.

So what does this mean? If you have COVID you are likely to spread it before you show any symptoms or any symptoms at all. We know masks are effective at significantly reducing the spread of COVID, by catching the water droplets that carry the SARS-CoV-2 Virus. Now that shops and public places are re-opening, the risk of spread is high.

Wear a mask. Stop the spread.

https://www.nature.com/articles/s41586-020-2488-1_reference.pdf suppression of a SARS article

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

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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