• Published on: Jul 02, 2021
  • 2 minute read
  • By: Dr Rakesh Rai

Delta Plus Variant Mystery: What Can Cause The Third Covid Wave?

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Delta plus variant mystery: What can cause the third Covid wave?

Things in India are looking to normalize and beginning to reopen after a deadly second wave of Covid-19 infections devastated the country in April and May.  There is various thought process from experts who are warning that a third wave could strike in the next few months. The majority of Indians are worried about new variants named delta plus, which is related to the Delta, an existing variant of concern first identified in India last year that was responsible for the deadly second wave.

The million-dollar question is how realistic these fears are. The reality is that future waves are not out of question but their severity and spread depend on several factors. In the past few weeks, the number of average daily cases in India has tapered down to less than 40,000 in recent days which was peak over 420,000 in May. The big drop in numbers has mainly because of strict lockdowns by states.

Many social and political events added to the second wave. If the reopening process are not orchestrated in a controlled fashion the next wave could come sooner than expected.

We are in a very decisive phase and our fate will depend on how we behave. Opening the states in a staggered manner is best. Going aggressive with vaccination and continue with COVID protocols will be the winning strategy. A balanced local and central health protocols could do the magic while severe action on defaulters could be used as a deterrent.

We know that the Delta variant had a killer impact during the second wave. The risk of future mutants in densely populated areas is known and preventive actions should be put in place immediately. There is no clear data around Delta plus but things have changed really fast when the proactive approach is not taken in advance. We need to understand that mutants only emerge when active transmission happening. A lot of research is happening around it take preemptive containment measures by understanding probable sequences.

So far data is indicating that the current vaccine is delivering good results in emerging mutants. India had sequenced 30,000 samples until June, but experts believe more needs to be done because the current vaccine is not a guaranteed long-term solution.

There are multiple cases where vaccinated people have got infected. Some call 3rd wave inevitable and some call it will be a smaller wave but the science is indicating that it will all depend on how effective our existing vaccine is against the new variants.

So, in conclusion, one can say that the key is the vaccinated population in controlling the wave and even allowing it to be formed. The acquired immunity and its efficacy will be crucial in determining the damage the third wave can cause. The required daily dose is upwards of 10 million to get all eligible populations covered by 2021.

The wide range of infection-causing natural antibodies and vaccination combined will provide the ammunition India needs badly to shield against future variants. The problem is the data around it is not very accurate. During the height of infections lot of COVID, infections went unreported. A lot of statisticians around it are guessing the acquired immunity percentage to be around 65%. This number should not be the reason we can take it easy.  

Acquired immunity is immunity you develop over time from a vaccine or exposure to the infection.

Conclusively it can be said that “Third wave is only possible if the new variant beats the barriers of acquired immunity.”

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Excessive

Heat Exhaustion Warning Signs: Symptoms You Should Never Ignore

Heat-related illnesses are common during hot weather, particularly in tropical countries like India where summer temperatures can become extreme. Heat exhaustion is a serious condition that occurs when the body overheats due to prolonged exposure to high temperatures and inadequate hydration.

Recognizing heat exhaustion warning signs early can prevent life-threatening complications such as heatstroke.

 

What Is Heat Exhaustion?

Heat exhaustion is a heat-related illness caused by:

  • Excessive heat exposure
     

  • Dehydration
     

  • Loss of electrolytes through sweating
     

It often occurs during outdoor work, exercise or travel in hot environments.

If untreated, it may progress to heatstroke — a medical emergency.

 

Common Heat Exhaustion Warning Signs

1. Heavy Sweating

Excessive sweating is one of the earliest signs.

The body attempts to cool itself through perspiration, leading to fluid loss.

2. Dizziness or Lightheadedness

Low blood pressure due to dehydration may cause:

  • Feeling faint
     

  • Blurred vision
     

  • Weakness
     

 

3. Fatigue and Weakness

Muscle weakness and exhaustion occur as the body struggles to regulate temperature.

 

4. Nausea and Vomiting

Digestive discomfort is common in heat-related illnesses.

 

5. Headache

Dehydration and heat stress can trigger throbbing headaches.

 

6. Muscle Cramps

Electrolyte imbalance may cause painful muscle cramps, especially in legs.

 

7. Rapid Heartbeat

Increased heart rate helps circulate blood for cooling but may indicate strain.

 

8. Cool, Clammy Skin

Despite hot weather, skin may feel cool and moist due to heavy sweating.

 

Who Is at Higher Risk?

Certain groups are more vulnerable:

  • Outdoor laborers
     

  • Athletes
     

  • Elderly individuals
     

  • Children
     

  • People with chronic illnesses
     

  • Individuals on certain medications
     

Urban heat exposure increases risk during peak summer months in India.

 

Heat Exhaustion vs Heatstroke

Heat exhaustion is serious but manageable if treated promptly.

Heatstroke symptoms include:

  • High body temperature (above 40°C)
     

  • Confusion or disorientation
     

  • Dry, hot skin
     

  • Seizures
     

  • Loss of consciousness
     

Heatstroke requires immediate emergency medical attention.

 

Immediate Steps to Take

If heat exhaustion is suspected:

  1. Move to a cool, shaded area
     

  2. Loosen tight clothing
     

  3. Drink water or oral rehydration solution
     

  4. Apply cool cloths to body
     

  5. Rest until symptoms improve
     

Seek medical care if symptoms persist beyond one hour.

 

Prevention Tips

Stay Hydrated

Drink water regularly, even if not thirsty.

 

Avoid Peak Sun Hours

Limit outdoor activity between 12 PM and 4 PM.

 

Wear Light Clothing

Choose loose, breathable fabrics.

 

Use Sun Protection

Wear hats and sunglasses when outdoors.

 

Take Frequent Breaks

Rest in shaded or air-conditioned areas.

 

Maintain Electrolyte Balance

Use oral rehydration solutions if sweating heavily.

 

Heat Illness in the Indian Context

India frequently experiences heatwaves, especially in northern and central regions. Public awareness about hydration and heat safety is essential to reduce hospitalizations and fatalities.

Community-level education can significantly improve prevention.

 

When to Seek Medical Help

Immediate medical attention is required if:

  • Symptoms worsen
     

  • Body temperature rises significantly
     

  • Confusion develops
     

  • Fainting occurs
     

  • Vomiting persists
     

Early treatment prevents severe complications.

 

Conclusion

Heat exhaustion is a preventable but potentially dangerous condition. Recognizing warning signs such as heavy sweating, dizziness, nausea and muscle cramps allows timely intervention.

With rising summer temperatures, especially in India, proactive hydration and heat safety measures are essential. Preventive care and awareness can protect vulnerable individuals and reduce health risks.

Staying cool and hydrated is the simplest way to safeguard your health during hot weather.

 

References

  • Indian Meteorological Department – Heatwave Reports

  • World Health Organization – Heat-Related Illness Guidelines

  • Indian Council of Medical Research – Public Health Advisory

  • National Disaster Management Authority (India) – Heatwave Action Plan

  • Lancet Planetary Health – Climate and Health Research

 

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