• Published on: Aug 03, 2021
  • 2 minute read
  • By: Covid Expert Online

Covid Delta Variant: Virus Is Changing And We Need To Change Too!

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Delta Variant: Virus is changing and we need to change too!

The entire world is changing its overall strategy on the coronavirus pandemic this week. Masks are back, vaccine mandates are looming, and officials have sounded more worried than they have in months. Employees must wear a mask throughout the day at work while also keeping distance from others and submitting to a virus test once per week for safety reasons driving these changes as two factors: The large number who remain unvaccinated due to fears about vaccines' health effects combined with Delta variant's rapid spread across Europe over recent weeks which forces authorities around the world into immediate action against disease threat."

The Delta variant, originally known as B.1-617.2 has been around since last year but in recent months it's become the fastest spreading virus of all time according to many experts and scientists who are researching this issue more now than ever before. The US Centers for Disease Control (CDC) have also said that COVID-19 cases have increased over 300% nationally from June 19th to July 23rd along with parallel increases in hospitalizations and deaths are driven by the highly transmissible B: 1 617 2 delta variant which is one of a few reasons why they're so concerned about this new strain because there doesn't seem like any way we can stop or cure it yet if at all.

The Delta variant, originally known as B.1.617.2, has been around since last year but in recent months it's become speedily dominant with an 80% share of newly diagnosed cases across the US according to Centers for Disease Control and Prevention (CDC). The CDC says there have also been "parallel increases" in hospitalizations and deaths which are being driven by this new highly transmissible strain - COVID-19 or what is now better described as the Delta infection

Let's understand what the Delta variant is: a virus that has been around since late last year but in recent months it has become speedily dominant in many countries. It accounts for more than 80% of newly diagnosed cases.

The Delta variant is more transmissible in some studies, but not all. One CDC document indicates the Delta variant to be as contagious as chickenpox with each infected person infecting a few others. This difficult number to check because it requires much testing which has yet been done

The Delta variant is more transmissible than traditional coronavirus, but we don't know by how much. The CDC estimates that the new virus might be about 60-200% as contagious as chickenpox with each infected person infecting eight or nine others on average while a typical case of common cold only has an infection rate of two other people per affected individual. One paragraph from one CDC document indicates that this number could even be higher and since it's difficult to determine exact statistics without comprehensive testing, there are multiple possible outcomes for these estimations.

In a recent presentation, the CDC has noted that vaccines prevent more than 90% of severe diseases but may be less effective at preventing infection or transmission. However, if you're vaccinated with one of two currently approved COVID-19 mRNA vaccine brands (Pfizer and Moderna), then evidence suggests they are highly effective against hospitalization and death for various strains such as Alpha (B.1.1.7) Beta (B 1/351), Gamma( P 1 ), Delta( B/617).

 The presentation notes that vaccines are less effective at preventing infection or transmission and sometimes can lead to breakthrough outbreaks in communities despite vaccination. To help combat these effects, the site also noted Moderna's mRNA COVID-19 vaccine is highly effective for many strains of measles including Alpha (B.1.1), Beta (B2) Gamma (P), Delta B(2).

A recent study has shown that the effectiveness of vaccines against certain variants may be lower than previously anticipated. The CDC is urging for ongoing monitoring to ensure appropriate vaccination strategies are developed and implemented with these new findings in mind.

Data suggest that the vaccine is less effective against confirmed infection and symptomatic disease caused by variants of influenza. Ongoing monitoring should be done to ensure that vaccines are still as effective in fighting off Delta variant though lab tests indicate immune response generated should cover it.

Delta has a unique set of mutations that may allow it to evade the human immune system and be more efficient in infecting cells. Delta's changes are limited to its receptor-binding domain, which allows for tight connections with the host cell while also helping this virus escape detection by hiding from our body's natural defenses like antibodies. One change is believed to help make these bonds tighter--making us sicker faster!

The delta virus has at least three mutations on a structure that is called the receptor-binding domain--the part of the disease-causing agent responsible for docking into human cells it infects. It may help evade detection by our immune system, and one mutation, in particular, could make it bind more tightly to infected cells.

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Lower Premiums for Health Score Achievers: How Preventive Wellness Rewards Healthy Choices

Healthcare costs are rising steadily across India, driven largely by lifestyle-related diseases and late-stage diagnosis. In response, organisations and insurers are shifting focus from reactive treatment to prevention. One of the most effective approaches emerging from this shift is offering lower premiums for health score achievers.

This model aligns personal health responsibility with financial incentives, creating a win–win situation for individuals, employers and insurers.

 

What Is a Health Score?

A health score is a composite indicator that reflects an individual’s overall health status.

It typically considers:

  • preventive health checkup results

  • lifestyle habits such as physical activity and sleep

  • key biomarkers like blood sugar, cholesterol and blood pressure

  • body composition indicators

The focus is on risk reduction, not perfection.

 

Why Health Score–Based Premiums Are Gaining Importance

According to NITI Aayog and EY-FICCI reports, preventive healthcare can reduce long-term medical costs by up to 30–40 percent.

Health score–linked premiums:

  • reward proactive behaviour

  • reduce claim frequency

  • encourage early detection

This shifts healthcare from illness management to health preservation.

 

The Preventive Healthcare Gap in India

NFHS-5 and ICMR data show:

  • many chronic diseases remain undiagnosed until advanced stages

  • preventive screenings are underutilised

  • lifestyle risks are increasing among working adults

Health score incentives help close this gap.

 

How Lower Premiums Motivate Behaviour Change

Financial Incentives Drive Consistency

When healthy habits are rewarded financially, individuals are more likely to:

  • attend regular screenings

  • improve diet and activity

  • monitor health metrics

Behaviour change becomes sustainable.

Focus on Improvement, Not Punishment

Modern health score models emphasise:

  • gradual improvement

  • personalised targets

  • achievable milestones

This avoids discouragement and promotes inclusion.

 

Benefits for Individuals

Reduced Insurance Costs

Lower premiums directly reduce out-of-pocket insurance expenses.

 

Better Health Awareness

Tracking health scores increases understanding of:

  • personal risk factors

  • lifestyle impact

  • preventive actions

Knowledge leads to better choices.

 

Early Disease Detection

Regular monitoring identifies:

  • prediabetes

  • early hypertension

  • lipid abnormalities

Early intervention prevents complications.

 

Benefits for Employers

Lower Healthcare Claims

Preventive health programs reduce:

  • hospitalisations

  • long-term treatment costs

This improves corporate insurance sustainability.

 

Improved Productivity

Healthier employees experience:

  • fewer sick days

  • better energy levels

  • improved focus

Wellbeing translates to performance.

 

Stronger Wellness Culture

Reward-based programs signal genuine employer commitment to health.

 

Benefits for Insurers

Health score–based premiums help insurers:

  • manage risk more accurately

  • reduce high-cost claims

  • promote preventive engagement

This supports long-term viability of insurance models.

 

Role of Preventive Health Checkups

Preventive screenings form the backbone of health scoring.

They help track:

  • metabolic health

  • cardiovascular risk

  • nutritional deficiencies

NITI Aayog identifies screening as the most cost-effective health intervention.

 

Addressing Privacy and Fairness Concerns

Responsible programs ensure:

  • data confidentiality

  • voluntary participation

  • non-discriminatory design

Transparency builds trust and engagement.

 

Making Health Scores Inclusive

Inclusive programs:

  • adjust for age and baseline health

  • reward progress

  • offer support for high-risk individuals

Equity is essential for success.

 

Integration with Digital Health Platforms

Digital tools enable:

  • real-time health tracking

  • personalised insights

  • long-term trend monitoring

This improves engagement and accuracy.

 

Long-Term Impact on Public Health

Widespread adoption of health score incentives can:

  • reduce lifestyle disease burden

  • shift focus to prevention

  • improve population health outcomes

WHO supports incentive-based preventive health strategies globally.

 

Challenges and How to Overcome Them

Common challenges include:

  • low initial engagement

  • lack of awareness

  • resistance to change

Solutions involve education, simplicity and continuous support.

 

Why Lower Premiums Are More Effective Than Penalties

Positive reinforcement:

  • motivates sustained behaviour change

  • reduces anxiety

  • builds trust

Punitive models often discourage participation.

 

Future of Health Score–Linked Premiums in India

As digital health infrastructure expands, health score–based models are expected to:

  • become more personalised

  • integrate AI-driven insights

  • support nationwide preventive strategies

This marks a shift toward value-based healthcare.

 

Conclusion

Lower premiums for health score achievers represent a powerful shift toward preventive, value-driven healthcare. By rewarding healthy behaviours, early screening and consistent wellness practices, these programs benefit individuals, employers and insurers alike. Financial incentives aligned with health outcomes encourage long-term behaviour change, reduce disease burden and create a sustainable healthcare ecosystem. In a country facing rising lifestyle diseases, health score–linked premiums are not just an incentive—they are a strategic investment in healthier futures.

 

References

  • World Health Organization (WHO) – Preventive Healthcare and Incentive Models
  • Indian Council of Medical Research (ICMR) – Lifestyle Disease and Prevention
  • National Family Health Survey (NFHS-5) – Adult Health Indicators
  • NITI Aayog – Preventive Healthcare and Insurance Reform Reports
  • EY-FICCI – Corporate Wellness and Healthcare Cost Studies

See all

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