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Published on: Jan 20, 2021
1 minute read
By: Dr Rajan Choudhary

Post-COVID - How Safe Are You After COVID?

Post-COVID - How safe are you after COVID?

After infection, your body produces natural immunity against the causative pathogen, be it a bacterium or virus. This persists as memory B cells, a type of white blood cell that can be quickly activated to produce antibodies against the pathogen should it infect you again and prevents subsequent infections from causing as much damage and illness. This is something we have covered before and is the underlying mechanism for vaccines and herd immunity.

We are trying to prevent people from catching COVID, as it has the potential to cause significant damage to a large number of your body’s organ system, including long term damage to the lungs and heart that we are still trying to understand. But if you’ve caught COVID, does this mean you cannot catch it again?

A preprint report from Public Health England’s Siren study looked at 20,787 healthcare workers who were regularly tested between June and November 2020. It found 44 reinfections and 409 new infections, equating to an 83% rate of protection from reinfection. This appears to last for at least 5 months from first becoming sick. However, despite having antibodies against the virus, the viral load in these patients is still high enough to infect others.

The implications of this are clear to see. Even if you have had the virus, it is imperative that you continue to follow public health measures dictated by your country’s health department. Masks, washing hands, social distancing, and following lockdown rules depending on where you live. This is especially important when interacting with potentially vulnerable people, such as the elderly or immunocompromised.

You may still be carrying the virus asymptomatically, and in the vulnerable population being infected by COVID-19 can be potentially lethal. There is still not enough data to tell us whether this is also true for people who are vaccinated, but as rates of vaccination increase, future studies will be able to give us this information.

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Genetic Predisposition Testing India: Understanding Your DNA to Prevent Future Disease

Genetics plays a significant role in determining an individual’s risk for various diseases. In India, where chronic illnesses like diabetes, heart disease, cancer, and neurological disorders are increasing rapidly, genetic predisposition testing has emerged as a powerful preventive tool. It helps individuals understand inherited risk factors long before symptoms appear, allowing timely intervention.

SecondMedic offers guided genetic screening to help patients uncover DNA-based risks and take proactive control of their long-term health.

What Is Genetic Predisposition Testing?

Genetic predisposition testing analyzes a person’s DNA to identify mutations, variations, or inherited markers associated with increased disease risk. It does not diagnose a disease but reveals how likely an individual is to develop certain conditions.

What the test identifies:

Gene mutations
Family-linked disease patterns
Hereditary cancer markers
Metabolic and cardiovascular risks
Neurological conditions
Autoimmune predispositions

These insights help individuals and doctors make informed preventive health decisions.

Why Genetic Testing Is Growing in India

1. High prevalence of lifestyle and hereditary diseases

India is the diabetes capital of the world, and many metabolic disorders have genetic roots.

2. Increasing cancer burden

BRCA and other hereditary cancer syndromes are being detected more often.

3. Awareness about preventive healthcare

People want to act early rather than wait for disease onset.

4. Growth of digital healthcare

Easy access through telemedicine platforms like SecondMedic.

5. Rising chronic cases at younger ages

Genetic predispositions often accelerate early onset of disease.

What Diseases Can Genetic Testing Predict?

1. Cancer Risk

Includes hereditary cancers such as:

Breast
Ovarian
Colorectal
Prostate
Pancreatic

BRCA1, BRCA2, and Lynch syndrome genes are key markers.

2. Heart Disease & Hypertension

Genes that influence:

Cholesterol levels
Plaque formation
Blood pressure regulation

3. Diabetes

Genes that affect insulin sensitivity and metabolic function.

4. Obesity

Markers linked to appetite regulation and fat storage.

5. Neurological Disorders

Including Alzheimer’s, Parkinson’s, and epilepsy predispositions.

6. Autoimmune Diseases

Genes related to lupus, rheumatoid arthritis, and thyroid disorders.

7. Drug Response (Pharmacogenomics)

DNA determines how the body reacts to certain medications.

How Genetic Predisposition Testing Works

Step 1: Sample Collection

Usually saliva, blood, or buccal swab.

Step 2: DNA Sequencing

Advanced technology identifies variations in your genome.

Step 3: Risk Analysis

Gene mutations are mapped to known disease risks.

Step 4: Expert Interpretation

SecondMedic’s genetic counsellors and doctors review results.

Step 5: Preventive Plan

Includes recommended lifestyle changes, screenings, and monitoring.

Benefits of Genetic Predisposition Testing

1. Detect Risk Before Symptoms

Allows decades of preventive action.

2. Personalized Health Planning

Diet, exercise, and medical screening tailored to DNA.

3. Early Cancer Detection

Essential for women with hereditary breast/ovarian cancer risk.

4. Family Health Insights

Identifies conditions that may affect children and siblings.

5. Improved Treatment Outcomes

Knowing your risk helps doctors monitor you more closely.

6. Better Drug Selection

Pharmacogenomics ensures medications match your genetic profile.

Who Should Consider Genetic Testing?

People with family history of cancer
Individuals whose relatives had early heart attacks
Families with diabetes across generations
Women with breast or ovarian cancer history
Couples planning pregnancy
People with unexplained chronic conditions
Individuals wanting personalized preventive healthcare

Limitations of Genetic Testing

1. Not a diagnosis

It shows probability, not certainty.

2. Environmental and lifestyle factors still matter

Genes interact with habits and environment.

3. Requires professional interpretation

Raw results without counselling can be confusing.

SecondMedic ensures accurate guidance through experienced specialists.

How SecondMedic Supports Genetic Testing

1. End-to-End Genetic Screening

From sample collection to detailed analysis.

2. Expert Review

Genetic counselors and doctors explain every risk factor.

3. Personalized Preventive Plan

Nutrition, exercise, and screening based on DNA.

4. Confidential Reporting

All data is securely stored.

5. Integrated Preventive Tracking

Follow-up tests and monitoring for high-risk individuals.

Future of Genetic Testing in India

AI-based genome interpretation
Affordable whole-genome sequencing
Predictive analytics for early cancer
Family-wide health risk mapping
Integration with digital health IDs under ABDM

SecondMedic aims to make genetic screening widely accessible and scientifically guided.

Conclusion

Genetic predisposition testing India empowers individuals by revealing inherited disease risks long before symptoms develop. It supports preventive healthcare, early cancer detection, and personalized wellness planning. With platforms like SecondMedic offering expert-guided genetic testing, Indians can now take proactive control of their long-term health.

To book your genetic test, visit www.secondmedic.com

References

ICMR – Genetic research insights
NIH – Genetic testing guidelines
WHO – Genomic medicine developments
Statista – DNA testing market India
SecondMedic genetic health studies

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