• Published on: Dec 23, 2023
  • 2 minute read
  • By: Secondmedic Expert

How Worried Should You Be About The JN.1 COVID-19 Variant?

  • WhatsApp share link icon
  • copy & share link icon
  • twitter share link icon
  • facebook share link icon

As the JN.1 kind of COVID-19 spreads around the world, people are wondering how much it might affect us. The World Health Organization (WHO) recently called it a "variant of interest," making many pay attention. In this article, we'll talk about what we know about the JN.1 kind, look at how serious it might be, and understand more about COVID-19 in general.

Current Global Landscape:

Right now, the World Health Organization (WHO) is saying that the JN.1 subvariant of COVID-19 is spreading a lot in many countries. They're still trying to figure out exactly how it might affect people's health. But for India, it seems like the impact is not so strong. Dr. Soumya Swaminathan, who used to be in charge of the Indian Council of Medical Research, says there's no clear evidence that this JN.1 variant is making people more sick or causing more deaths. So, for now, things seem to be okay in India.

Vaccine Efficacy:

It's important to know if the current COVID-19 vaccines work well against the JN.1 subvariant. According to Maria Van Kerkhove from the World Health Organization (WHO), all the approved vaccines still help protect against severe illness and death, including fighting off the JN.1 variant. The WHO also says that specific vaccines, like XBB.1.5, are probably good at working against the JN.1 subvariant.

Factors Heightening Concerns:

The JN.1 variant of COVID-19 is mostly mild, but there are important things to consider:

1. It spreads easily: The JN.1 variant quickly spreads in many places and becomes the main type of the virus in some countries.

2. It might avoid the immune system more: There's a chance the JN.1 variant could be better at escaping our immune defenses, depending on the people tested.

3. Winter brings extra risks: As winter comes, there's a worry that having both the JN.1 variant and other respiratory illnesses might make breathing problems worse.

When to Consider COVID-19 a Serious Concern:

Experts like Dr. Chandrakant Lahariya and healthcare professional Sabine Kapasi point out five signs that show COVID-19 is getting serious:

1. New Mutations and Clustering Cases: If new changes in the virus and many cases happen in one place.

2. Increased Severity: If the sickness becomes more serious.

3. Shift in Symptoms: If the signs of COVID-19 change.

4. Hospitalization Rates: If more people need to go to the hospital because of COVID-19.

5. Mortality Rates: If more people are passing away because of the virus.

Current Scenario in India:

Even though more people are getting COVID-19 due to the JN.1 variant, Health VK Paul from NITI Aayog says we don't need to panic. He wants everyone to know that in India, most people with the virus have mild symptoms like a cough and fever. It's important to understand that while more people are getting sick, it's not turning into a lot of serious illnesses right now.

Expert Recommendations:

Health experts say don't worry too much, and they appreciate the efforts of the Indian government in watching and controlling the virus. Some states and local leaders are advising people to be careful by wearing masks and avoiding going out too much, especially during festivals.

In summary, dealing with the JN.1 COVID-19 subvariant means we need to understand it well. Right now, it's important to pay attention and keep checking what's happening, but there's no need to get overly worried. To stay safe, make sure you know what's going on, follow the advice to stay healthy, and get vaccinated. As things change, researchers and people around the world working together will help us face the challenges of new virus versions.

Stay tuned for updates on JN.1 COVID-19. Stay informed and stay safe!

Read FAQs


A.

Read Blog
Role of Nutrition in Disease Prevention: How Food Choices Shape Long-Term Health

Role of Nutrition in Disease Prevention: How Food Choices Shape Long-Term Health

Disease prevention is no longer limited to vaccinations and medical screenings. Modern healthcare increasingly recognises nutrition as one of the most powerful tools for preventing illness before it begins. The role of nutrition in disease prevention is especially important in India, where lifestyle-related diseases account for a large share of premature illness and mortality.

According to the Indian Council of Medical Research (ICMR) and the National Family Health Survey (NFHS-5), poor dietary patterns contribute significantly to rising cases of diabetes, heart disease, obesity and hypertension. Unlike genetic factors, nutrition is a modifiable risk factor, meaning everyday food choices can actively protect health.

 


Why Nutrition Is Central to Disease Prevention

1. Nutrition regulates metabolic health

Balanced diets help maintain:

  • healthy blood sugar levels
     

  • optimal cholesterol balance
     

  • stable blood pressure
     

Disruption in these systems increases disease risk.

2. Nutrition strengthens immunity

WHO highlights that immune function depends heavily on adequate intake of vitamins, minerals and protein.

3. Nutrition controls inflammation

Chronic low-grade inflammation is linked to most lifestyle diseases. Diets rich in whole foods reduce inflammatory markers.

Major Diseases Influenced by Nutrition

Diabetes and Prediabetes

Excess refined carbohydrates and sugar drive insulin resistance.

Preventive nutrition focuses on:

  • whole grains
     

  • fibre-rich vegetables
     

  • adequate protein
     

  • controlled portion sizes
     

ICMR data shows that dietary modification can delay or prevent type 2 diabetes in high-risk individuals.

Cardiovascular Disease

Heart disease remains a leading cause of death in India.

Nutrition impacts:

  • cholesterol levels
     

  • blood pressure
     

  • arterial inflammation
     

Diets low in trans fats and high in fibre significantly reduce cardiovascular risk, as confirmed by WHO and Lancet studies.

Obesity

Obesity increases the risk of multiple chronic diseases.

Preventive nutrition addresses:

  • calorie density
     

  • food quality
     

  • satiety regulation
     

NFHS-5 reports a steady rise in overweight and obesity across age groups.

Hypertension

High sodium intake and low potassium intake contribute to high blood pressure.

Preventive dietary strategies include:

  • reducing processed foods
     

  • increasing fruits and vegetables
     

  • maintaining mineral balance
     

Certain Cancers

Diet influences cancer risk through:

  • antioxidant intake
     

  • fibre consumption
     

  • reduced exposure to carcinogenic compounds
     

WHO estimates that a significant percentage of cancers are preventable through diet and lifestyle changes.

Key Nutrients That Support Disease Prevention

Fibre

Supports gut health, blood sugar control and cholesterol reduction.

Protein

Essential for muscle health, immune function and metabolic balance.

Healthy Fats

Omega-3 fats reduce inflammation and protect heart health.

Micronutrients

Iron, zinc, vitamin D and B vitamins are essential for metabolic and immune regulation.

NFHS-5 highlights widespread micronutrient deficiencies in India, increasing disease vulnerability.

Role of Gut Health in Prevention

The gut microbiome plays a major role in:

  • immune regulation
     

  • inflammation control
     

  • nutrient absorption
     

Fermented foods and fibre-rich diets support healthy gut bacteria, strengthening disease resistance.

 

Why Preventive Nutrition Works Best Early

Nutrition is most effective when applied:

  • before disease onset
     

  • during pre-disease stages
     

  • alongside regular health screening
     

Once disease progresses, nutrition remains supportive but may not reverse damage fully.

Nutrition vs Medication in Prevention

Medication treats disease; nutrition reduces risk.

WHO and NITI Aayog emphasize that:

  • preventive nutrition reduces disease incidence
     

  • lifestyle modification lowers healthcare burden
     

  • early nutrition changes reduce dependency on long-term medication
     

Both approaches work best when combined appropriately.

Workplace and Community Role in Preventive Nutrition

Structured nutrition programs at workplaces and communities:

  • improve awareness
     

  • support behaviour change
     

  • reduce population-level disease burden
     

Lancet studies show that group-based nutrition interventions improve long-term adherence.

 

Common Myths About Nutrition and Disease Prevention

Myth 1: Supplements replace healthy food

Whole foods provide better long-term protection.

Myth 2: Prevention requires extreme diets

Consistency matters more than restriction.

Myth 3: Nutrition only matters after diagnosis

Early nutrition is most effective before disease develops.

Building a Preventive Nutrition Routine

Effective preventive nutrition includes:

  • regular meals
     

  • diverse food groups
     

  • portion awareness
     

  • minimal processed foods
     

  • hydration
     

Small daily choices compound into long-term health benefits.

Long-Term Impact of Preventive Nutrition

Consistent healthy eating leads to:

  • reduced disease risk
     

  • improved energy and productivity
     

  • better immune resilience
     

  • lower healthcare costs
     

  • improved quality of life
     

NITI Aayog identifies nutrition as a cornerstone of sustainable healthcare systems.

Conclusion

Understanding the role of nutrition in disease prevention empowers individuals to take control of their health long before illness develops. Balanced, consistent nutrition reduces inflammation, supports immunity and protects against chronic diseases that burden India’s healthcare system. Preventive nutrition is not about short-term fixes but about building lifelong habits that support health, resilience and longevity.

 

References

  • ICMR – Nutrition and Lifestyle Disease Prevention Reports
     

  • National Family Health Survey (NFHS-5) – Dietary and Metabolic Health Data
     

  • NITI Aayog – Preventive Healthcare and Nutrition Strategy Reports
     

  • WHO – Diet, Nutrition and Chronic Disease Prevention Guidelines
     

  • Lancet – Nutrition and Disease Risk Reduction Studies
     

  • Statista – Dietary Trends and Health Outcomes India
     

  • EY-FICCI – Preventive Healthcare and Nutrition Economics

See all

Live Doctor consultation
Live Doctor Chat

Download Our App & Get Consultation from anywhere.

App Download
call icon for mobile number calling and whatsapp at secondmedic