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

Asymptomatic Carriers Of COVID

Why Asymptomatic carriers of COVID are as dangerous as symptomatic patients

Many countries have now begun enforcing masks for everyone to wear when out in public, in enclosed spaces, or on public transport. There is good evidence to support these measures, but unfortunately, some still show resistance to the idea. Whilst some reasons put forward are non-sensical (masks do not cause any noticeable or measurable decrease in oxygen delivery to the body), other people feel like they shouldn’t wear a mask because they do not have symptoms of COVID. And thus would not spread anything. Here we look at a recent publication in Nature, one of the most esteemed peer-reviewed scientific journals in the world, and what it shows us about the transmission of COVID in a population.

This study by Lavezzo et al looked at the suppression of the SARS-CoV-2 outbreak in the Italian municipality of Vo’. This municipality is 50 kilometers west of Venice with a population of just 3,416 people. It experienced its first casualty of COVID on the 21st of February, after which it underwent lockdown for 14 days. During this time data was collected on the clinical presentation and hospitalization of COVID patients, as well as other citizens through the contact tracing network.

In total 2,812 residents were tested in late February, with another 2,343 tests performed two weeks later at the end of lockdown. Nasal and throat swabs were taken to identify infected individuals. The study found only 2.6% of people were positive for COVID at the start of lockdown, which reduced to 1.2% two weeks later.

Out of this infected population, 42.5% were asymptomatic. They had no symptoms at the time of swab testing nor did they develop symptoms afterwards. When the viral load was measured between symptomatic and asymptomatic patients, there was little difference.

Evidence has pointed to a large asymptomatic population, and previous studies have shown it to be as high as 50% in some cases. Many would assume if a patient has no symptoms then they must have fought the infection before it became an issue, or had a very low viral load and therefore were not likely to spread it. This study shows it is simply not true. Asymptomatic carriers of COVID are likely to contribute to the transmission and spread of COVID amongst the population.

If you are asymptomatic you have as high a viral load as someone who is symptomatic. But there is no way to tell without a swab. You have as much of a potential to spread the infection to the vulnerable. Even in people who became symptomatic the height of transmission was found to be before the patient showed any symptoms.

So what does this mean? If you have COVID you are likely to spread it before you show any symptoms or any symptoms at all. We know masks are effective at significantly reducing the spread of COVID, by catching the water droplets that carry the SARS-CoV-2 Virus. Now that shops and public places are re-opening, the risk of spread is high.

Wear a mask. Stop the spread.

https://www.nature.com/articles/s41586-020-2488-1_reference.pdf suppression of a SARS article

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Neurobion Forte: Benefits for Nerve Health and Vitamin B Deficiency

Vitamin deficiencies are a common but often overlooked health issue. Among them, vitamin B deficiency is particularly significant because of its direct impact on nerve function, energy metabolism and overall neurological health. Neurobion Forte is a widely used vitamin B-complex supplement designed to address these deficiencies and support nerve health.

Understanding how Neurobion Forte works and when it is beneficial helps individuals make informed decisions about their nutritional and neurological wellbeing.

What Is Neurobion Forte?

Neurobion Forte is a combination supplement containing essential B vitamins, primarily:

vitamin B1 (thiamine)
vitamin B6 (pyridoxine)
vitamin B12 (cobalamin)

These vitamins play a vital role in nerve signal transmission, energy production and maintenance of the nervous system.

Why Vitamin B Is Essential for Nerve Health

B vitamins are crucial for:

nerve impulse transmission
myelin sheath formation
energy metabolism in nerve cells

Deficiency can impair nerve function, leading to discomfort and neurological symptoms.

Common Causes of Vitamin B Deficiency

Vitamin B deficiency may occur due to:

inadequate dietary intake
poor absorption
chronic illnesses
long-term medication use
alcohol misuse

Vegetarians and elderly individuals are particularly at risk of vitamin B12 deficiency.

Symptoms of Vitamin B Deficiency

Early symptoms may include:

fatigue
weakness
numbness or tingling in hands and feet
poor concentration

If untreated, deficiency may progress to more serious neurological problems.

How Neurobion Forte Supports Nerve Health

Supports Nerve Repair

Vitamin B12 contributes to nerve regeneration and maintenance of nerve fibres.

Improves Nerve Signal Transmission

Vitamin B1 supports proper nerve impulse conduction.

Reduces Nerve Irritation

Vitamin B6 helps regulate neurotransmitter synthesis, reducing nerve-related discomfort.

Supports Energy Metabolism

B vitamins help convert food into energy, supporting overall nerve and muscle function.

Role of Neurobion Forte in Nerve Pain

Nerve pain caused by vitamin deficiency may present as:

burning sensation
tingling
numbness
shooting pain

In such cases, correcting the deficiency through supplementation may help relieve symptoms over time.

Conditions Where Neurobion Forte Is Commonly Used

Neurobion Forte may be prescribed or recommended in cases such as:

peripheral neuropathy
diabetic neuropathy (as supportive care)
nutritional deficiency-related nerve symptoms
general weakness associated with vitamin B deficiency

It is not a painkiller but supports underlying nutritional correction.

Importance of Medical Guidance

While vitamin supplements are widely available, inappropriate or excessive use may cause side effects.

Medical guidance ensures:

correct diagnosis
appropriate dosage
monitoring of response

Self-medication should be avoided, especially for long-term use.

Diet and Vitamin B Intake

Dietary sources of B vitamins include:

whole grains
legumes
dairy products
eggs
meat and fish

Balanced nutrition remains the foundation of vitamin sufficiency.

Who May Benefit Most from Neurobion Forte?

Individuals who may benefit include:

those with confirmed vitamin B deficiency
people with nerve-related symptoms
elderly individuals with poor nutrient absorption
individuals with restricted diets

Supplementation should complement dietary improvement.

Possible Side Effects and Precautions

When taken as advised, Neurobion Forte is generally well tolerated.

However:

excessive vitamin B6 intake may cause nerve symptoms
allergic reactions are rare but possible

Always follow professional advice.

How Long Does It Take to See Benefits?

Improvement depends on:

severity of deficiency
duration of symptoms
individual health status

Some people notice symptom improvement within weeks, while others require longer support.

Neurobion Forte and Overall Wellbeing

Correcting vitamin B deficiency supports:

nerve health
energy levels
cognitive function
overall vitality

Supplementation is most effective when combined with healthy lifestyle habits.

Conclusion

Neurobion Forte plays an important role in managing vitamin B deficiency and supporting nerve health. By supplying essential B vitamins, it helps restore nerve function, reduce deficiency-related symptoms and improve overall neurological wellbeing. While it can be highly beneficial when deficiency is present, its use should always be guided by medical advice to ensure safety and effectiveness. Balanced nutrition, early diagnosis and appropriate supplementation together form the foundation of healthy nerve function.

References

World Health Organization (WHO) – Micronutrients and Neurological Health
Indian Council of Medical Research (ICMR) – Nutrient Deficiency Guidelines
National Institute of Nutrition (NIN) – Vitamin B and Nerve Function Reports
Lancet Neurology – Vitamin Deficiency and Neuropathy Studies
Indian Journal of Clinical Nutrition – Vitamin B Supplementation Researc
Statista – Dietary Supplement Usage Trends

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