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Published on: Apr 20, 2020
3 minute read
By: Dr Rajan Choudhary

Is Herd Immunity A Valid Strategy For COVID 19?

Yesterday we explained you what Herd Immunity means and how it works, today we will take the discussion further to determine whether it is effective and can be recommended in the current context.

COVID-19 currently does not have a cure or a vaccine. Lockdown is the only strategy that appears to be working. Could implementing policies that encourages herd immunity be used to accelerate immunity in the population without the need for a vaccine?

INFECTIVITY

For the strategy to work we need to know a few things about the virus. How infective is it? In one of our earliest blogs we discussed infectivity at length and determined that the R0 (infectivity) may be between 2 and 3. This means each person with the virus can infect around 2-3 people at a time. Whilst this is not as high as Mumps (10-12) it is much higher than the common flu. The higher the R0 the more people that need to be immunised before herd immunity is achieved. For COVID it is estimated that 70% of the population need to be infected.

This is based off our current testing. Due to shortages in testing kits, only testing those that have a high likelihood of being infected and poorly organised testing infrastructure in some countries, we are likely underestimating. The number of people infected may be much higher as we are missing those that are asymptomatic but still have the disease and are still passing the disease on.

MORTALITY

Secondly, we need to know the mortality from COVID-19. Early estimates of mortality were as high as 10%, as we had little data on how many people were truly infected, but as the number of infected cases rose, and testing amongst the infected and symptomatic population rose, a more accurate mortality has been found to be around 1%. There is a risk we may still be underestimating the true mortality, as some cities have noted a spike in cardiac deaths, and some evidence supports possible cardiac damage due to COVID. But from the data we have, we know its mortality is lower than MERS (34%) and SARS (10%) but more than influenza (0.1%).

estimates of the COVID-19 case fatality rate

Whilst we have some data on who is likely to suffer from severe COVID symptoms (elderly, immunocompromised, people with heart or lung problems) we still cannot accurately determine who will get severe COVID in the “low risk” population. Simply because someone is young and healthy does not mean they will not die from COVID.

LENGTH OF IMMUNITY

Third we need to know how long this immunity will last. Similar coronaviruses responsible for the common cold usually create immunity that lasts for a few months, which is why we often get the cold repeatedly. A virus is also very prone to mutations that can change the structure and functions of its proteins, proteins responsible for tagging, latching on to and entering cells. If the structure of these proteins changes enough, then our antibodies will not be able to bind on, and new types of antibodies will have to be made with a slightly different structure. This effectively means our bodies have to start from step 1 again to create immunity, and we have to make new vaccines. This mutation rate is why we have to make new vaccines every season for the flu.

LONG TERM COMPLICATIONS

Finally, we need to know if there are any long-term implications from a viral infection. Again, this is something we do not know yet, as the virus has only been around for a few months. There may be implications for the cardiovascular system, long term breathing problems or more. And even if the complication rate appears relatively low (say, 1%), if millions of people are allowed to get infected, by definitions thousands or tens of thousands of people will have these complications, complications that can lead to issues later in life or an early death.

CONCLUSION

So, is herd immunity a viable strategy for COVID? Without a safe vaccine the general consensus appears to be no.

We don’t know how infective the virus really is or how many people it has infected

A 1% death rate is still very high. This means for every 100 people to be infected; one will die. This would mean hundreds of thousands of people dead in a country with a population over 10 million. It is unacceptably high.

If the death rate is 1%, then hospitalisation rate is likely higher. Almost all countries do not have capacity to have 1% of the population in hospital. Overwhelming the healthcare system will lead to poorer care, and worse care for those who do not have COVID. Leading to more people coming to serious harm or dying as a result of poor healthcare, not because of COVID.

We don’t know the long-term effects of COVID. By purposefully infecting people instead of waiting for a vaccine we may be causing unnecessary damage to a person’s health that only becomes apparent later in life. But this is speculation as we do not currently know if COVID has long term effects,

We don’t know if all of the risks above will amount to anything. The immunity may not last long enough, leading to another spike in infections and mortality.

Mass vaccination appears to be the safest strategy. And though human clinical trials have started on a number of vaccines, we are still months away from deployment. Until then we should not come out of lockdown prematurely, not until we have received an unbiased assessment from public health officials that states it is safe.

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Employee Wall of Fame: Celebrating Uniqueness to Build a Positive Workplace Culture

In today’s evolving workplaces, employee engagement is no longer driven solely by compensation or job titles. People seek recognition, inclusion and a sense of belonging. One of the most effective yet simple ways to achieve this is through an Employee Wall of Fame. By celebrating individuality and contribution, organisations can create a culture where employees feel seen, valued and motivated.

Recognition is not a luxury. It is a fundamental driver of organisational wellbeing and performance.

Why Recognition Matters in the Workplace

Recognition fulfills a basic human need: appreciation.

When employees feel recognised:

morale improves
motivation increases
loyalty strengthens
burnout reduces

According to global workplace studies, lack of recognition is one of the top reasons for employee disengagement.

What Is an Employee Wall of Fame?

An Employee Wall of Fame is a physical or digital space dedicated to highlighting employees for their achievements, values, creativity or unique strengths.

It may showcase:

professional accomplishments
teamwork contributions
innovation and problem-solving
leadership qualities
personal milestones

The focus is not competition, but appreciation.

Celebrating Uniqueness, Not Just Performance

Traditional recognition often focuses only on targets or numbers.

A Wall of Fame expands recognition to include:

collaboration
consistency
empathy
creativity
positive attitude

This approach ensures diverse strengths are valued.

Psychological Impact of Workplace Recognition

Recognition positively affects mental health.

Benefits include:

improved self-esteem
reduced stress
increased sense of purpose
stronger emotional connection to work

WHO recognises psychosocial wellbeing as a key component of healthy workplaces.

Inclusion and Belonging Through Recognition

Celebrating uniqueness supports inclusion.

It helps:

recognise diverse backgrounds
reduce bias
promote equal visibility

When employees see people like themselves being appreciated, trust and belonging grow.

Employee Wall of Fame as a Culture-Building Tool

Culture is shaped by what organisations choose to celebrate.

A visible Wall of Fame:

reinforces company values
sets behavioural standards
inspires others

It becomes a living reflection of organisational culture.

Types of Recognition on a Wall of Fame

Achievement-Based Recognition

For milestones, project success or innovation.

Value-Based Recognition

For demonstrating company values such as integrity or teamwork.

Peer Recognition

Employees nominate colleagues, increasing engagement.

Personal Growth Recognition

Celebrating learning, upskilling or personal achievements.

How an Employee Wall of Fame Improves Engagement

Engaged employees:

perform better
collaborate more
stay longer

EY-FICCI workplace studies show recognition-driven programs significantly improve engagement scores.

Impact on Productivity and Performance

Recognition creates positive reinforcement.

Employees who feel valued:

take ownership of work
show initiative
maintain consistency

Appreciation fuels sustained performance.

Supporting Mental Wellbeing at Work

Recognition reduces workplace stress by:

validating effort
reducing feelings of invisibility
encouraging positive feedback loops

Mental wellbeing improves when employees feel respected and acknowledged.

How to Design an Effective Employee Wall of Fame

Key principles include:

inclusivity
transparency
fairness
consistency

Clear criteria prevent bias and ensure credibility.

Physical vs Digital Wall of Fame

Physical Wall

Creates visual impact in office spaces.

Digital Wall

Ideal for remote or hybrid teams.

Both formats can coexist for maximum reach.

Frequency of Updates Matters

Stale recognition loses impact.

Best practices include:

monthly highlights
quarterly rotations
special occasion features

Fresh content sustains enthusiasm.

Role of Leadership in Recognition

Leadership participation strengthens impact.

When leaders:

nominate employees
share appreciation publicly

recognition becomes part of organisational identity.

Employee Participation and Ownership

Encouraging peer nominations:

increases engagement
reduces hierarchy
builds mutual respect

Recognition becomes a shared responsibility.

Measuring the Impact of Recognition Initiatives

Impact can be assessed through:

engagement surveys
retention metrics
feedback forms
participation rates

Data-driven insights help refine programs.

Long-Term Benefits of Celebrating Uniqueness

Over time, organisations experience:

stronger culture
higher retention
improved employer branding
healthier workplace relationships

Recognition is a long-term investment, not a one-time activity.

Common Mistakes to Avoid

Avoid:

recognising only top performers
favouritism
lack of transparency
irregular updates

Consistency and fairness are essential.

Employee Wall of Fame as Part of Holistic Wellness

Recognition complements:

mental health initiatives
team-building programs
wellness activities

A supportive culture enhances overall wellbeing.

Conclusion

An Employee Wall of Fame is more than a display—it is a statement of values. By celebrating uniqueness and recognising diverse contributions, organisations create workplaces where people feel valued, motivated and connected. In an era where employee wellbeing and engagement define success, recognition-driven initiatives like a Wall of Fame play a vital role in building resilient, inclusive and high-performing teams. Celebrating people is not just good culture—it is good leadership.

References

World Health Organization (WHO) – Workplace Mental Health and Wellbeing
EY-FICCI – Employee Engagement and Workplace Culture Reports
NITI Aayog – Future of Work and Organisational Wellbeing Studies
Lancet – Psychosocial Work Environment Research
Statista – Global Employee Engagement and Recognition Trends

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