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

Asymptomatic COVID Infections – Are You Safe?

Asymptomatic COVID infections – are you safe?

Patients with COVID usually exhibit signs of coughing, fever, and fatigue. This can develop into further respiratory problems including difficulty breathing, pneumonia in both lungs, and in severe cases the need to ventilate a patient in an intensive care setting. But what if you are asymptomatic? Do you need to worry? Surely you get the benefits of immunity without the dangers of life-threatening symptoms.

In our previous blog, we discussed how a study showed 41% of people with COVID were asymptomatic. However, they had the same viral load as their symptomatic counterparts. This paper published in Nature Medicine suggests that even the asymptomatic patients developed signs of lung inflammation without showing any outward symptoms. Could asymptomatic patients still be damaged by COVID? It's not easy to study this subset of patients, as they do not get tested routinely or present to hospital for examination or investigation.

This study looked at 37 individuals in the Wanzhou District who were diagnosed with COVID via swab test but did not show any symptoms before the test or during hospitalization. These patients were found through the extensive contact tracing program set up in Central China. Whilst in hospital 57% showed abnormalities in the lung fields on a CT scan, including the “ground glass” appearance classic for COVID pneumonia. These changes could be due to fluid or blood in the area or due to inflammation caused directly by the infection.

What does this mean for the individual in the long term? This is difficult to say, especially since COVID has only been around for a few months so long term follow up is simply impossible to state accurately. Depending on the size and severity of the inflammation it may resolve spontaneously with no lasting damage, or the inflammation could cause scarring of the lung tissue that only becomes evident several years or decades down the line. It's difficult to tell.

The study also looked at two other factors in these patients. Compared to their symptomatic counterparts, asymptomatic patients were found to shed viral particles for several more days. It is unclear the significance of this, or whether this makes them more infective or prone to transmitting the infection for a longer period of time. It does add support to the theory asymptomatic people should not believe themselves exempt from spreading the infection.

Secondly, the study looked at the prevalence of antibodies present in the patient's blood. These antibodies can be used as a surrogate for immunity. In theory, after infection occurs our body has the ability to rapidly produce these antibodies against the virus in the event of a second infection. This would neutralize the infection before it could develop into a serious disease.

Looking at these antibodies the researchers found antibody levels against the SARS and MERS virus to last over 2 years. However, against SARS-CoV-2, the antibody levels fall within 2-3 months, providing only a short duration of immunity. This is worrisome for individuals and countries hoping to achieve herd immunity or at least immunity to the virus after a mild or asymptomatic infection.

So what should we take away from this? Perhaps an asymptomatic infection is not the perfect scenario. Damage does occur to your lungs, albeit temporary damage. You are still able to spread it to vulnerable people. And your immunity may not last as long as other infections.

Therefore be safe. Maintain social distancing, follow government advice on wearing a mask. And if you can, avoid excessive socializing or close contact with lots of other people. The virus hasn’t gone away, and it is still dangerous.

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Zincovit Tablets: Uses, Benefits, Dosage, and Side Effects Explained

Nutritional deficiencies are common in India due to irregular diets, stress, fast-paced lifestyles and increased health demands. Multivitamin supplements are often recommended to support overall health, immunity and energy levels. One commonly prescribed supplement is Zincovit tablets.

This comprehensive guide explains what Zincovit is, its uses, benefits, dosage recommendations and potential side effects.

What Are Zincovit Tablets?

Zincovit is a multivitamin and multimineral supplement that contains:

Zinc
Vitamin C
B-complex vitamins
Vitamin A
Vitamin D
Vitamin E
Selenium and other antioxidants

It is commonly prescribed to address nutritional deficiencies and support immune function.

Uses of Zincovit Tablets

Zincovit may be recommended for:

1. Nutritional Deficiencies

Helps replenish low vitamin and mineral levels due to poor diet or illness.

2. Weak Immunity

Zinc and vitamin C support immune system function.

3. Recovery After Illness

Often prescribed during recovery from infections, surgery or prolonged weakness.

4. Fatigue and Low Energy

B vitamins help improve energy metabolism.

5. Hair and Skin Health

Zinc and antioxidants may support healthy skin and hair.

Benefits of Zincovit Tablets

Immune Support

Zinc plays a vital role in immune cell function.

Antioxidant Protection

Vitamins C and E help reduce oxidative stress.

Improved Energy Levels

B-complex vitamins aid in converting food into energy.

Better Nutritional Balance

Supports individuals with dietary gaps.

Support During Stress

Stress can deplete nutrients; supplementation may help maintain balance.

Recommended Dosage

Adults: Usually one tablet daily after meals
Children: Only if prescribed by a pediatrician
Duration: As advised by healthcare professional

Do not exceed recommended dosage without medical guidance.

How to Take Zincovit

Take after food to prevent stomach irritation
Swallow whole with water
Avoid taking with high-calcium foods unless advised

Consistency improves effectiveness.

Possible Side Effects

Zincovit is generally well tolerated. However, some individuals may experience:

Nausea
Mild stomach discomfort
Metallic taste
Constipation or diarrhea (rare)

Severe allergic reactions are uncommon but require immediate medical attention.

Who Should Use Caution?

Consult a doctor before taking Zincovit if you have:

Kidney disorders
Liver disease
Thyroid problems
Known allergies to supplement components

Pregnant and breastfeeding women should seek medical advice before use.

Can Zincovit Be Taken Long-Term?

Short-term use for deficiency correction is common. Long-term use should be monitored by a healthcare provider to avoid excessive intake of certain vitamins or minerals.

Excess zinc intake may interfere with copper absorption if taken excessively over time.

Zincovit and Immunity in India

With increasing concern about immunity and viral infections, supplements containing zinc and antioxidants have gained popularity. However, supplements should complement — not replace — a balanced diet rich in:

Fruits
Vegetables
Whole grains
Protein sources

Healthy lifestyle habits remain essential.

When to Consult a Doctor

Seek medical advice if you experience:

Persistent fatigue
Recurrent infections
Unexplained weight loss
Severe weakness

These may indicate underlying medical conditions beyond nutritional deficiency.

Balanced Nutrition Still Matters

Supplements cannot substitute a healthy diet. Combine Zincovit with:

Proper hydration
Regular exercise
Adequate sleep
Stress management

This ensures overall wellness.

Conclusion

Zincovit tablets are widely used multivitamin supplements that support immunity, energy levels and overall nutritional balance. When taken in recommended doses, they are generally safe and beneficial for individuals with dietary deficiencies or increased nutritional needs.

However, supplements should be used responsibly and under medical guidance, especially for long-term use. Maintaining a healthy diet and lifestyle remains the foundation of good health.

If you are unsure whether Zincovit is right for you, consult a healthcare professional for personalized advice.

References

Indian Council of Medical Research – Nutrient Guidelines
World Health Organization – Micronutrient Recommendations
National Health Portal India – Supplement Safety
Journal of Clinical Nutrition – Zinc and Immunity Studies
National Institute of Nutrition India – Dietary Guidelines

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