Which Blood Type Has The Weakest Immune System? | After Having Covid How Long Are You Immune?

The major role of the immune system is to prevent or limit infection. Our immune system is essential for our strength. Without an immune system, our bodies will expose to getting sick from bacteria, viruses, fungi, and more. 

Our immune system keeps us healthy. The immune system is spread everywhere in the body, including cells, organs, proteins, and tissues. The immune system also clears dead and faulty cells from our body.

In this post, we will introduce some main characters of the immune system.

I have already shared a post related to this topic How Can I Boost My Immune System? I hope you read this post.

After Having Covid How Long Are You Immune?
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Table of Contents

Types of immunity

Each person’s immune system is different, but it becomes stronger during adulthood as a general rule. At this stage, we have been exposed to more pathogens and developed more immunity. That is why teens and adults are less likely to get sick than children.

There are 4 types of human immunity:

  1. Active immunityThis type of immunity is created by our immune system when we contact a harmful pathogen.
  2. Passive immunityThis type of immunity is produced by something other than one’s immune system.
  3. Adaptive or acquired immunityAdaptive immunity is the type of immunity that occurs after exposure to a pathogen or infection or when we get a vaccination.
  4. Innate ImmunityThis type of immunity comprises various barriers that defend against viruses, bacteria, parasites, and any foreign substances throughout the body.

I also wrote a tutorial on What Is Vitamin C Good For? that you can follow.

Immune system disorders

The immune system is so complicated. Therefore there it can work wrong in many potential ways. Types of immune disorder fall into 3 categories:


When our immune system does not function well, it can lead to immunodeficiencies such as age obesity and alcoholism. Also, AIDS is an example of acquired immunodeficiency.

In some cases, immune deficiencies can be acquired, for instance, in chronic granulomatous disease where phagocytes do not function properly.


The immune system wrongly targets healthy cells in autoimmune conditions rather than faulty cells. In this scenario, they cannot recognize themselves as a result a person may lead to autoimmune diseases such as diabetes, celiac disease, and rheumatoid arthritis.


The immune system overreacts in a way that damages healthy tissue and leads to hypersensitivity. Sometimes, our bodies respond to an allergen so strongly that it can be life-threatening.

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Which blood type has the weakest immune system?

Blood group type A has the weakest immune system because people with this blood type usually have a weak immune system. Therefore, they are more likely to get autoimmune dieses such as spondyloarthropathy, vasculitis, undifferentiated connective tissue disease, Behçet’s disease, and Rheumatoid arthritis.

Signs of weak immune systems

  • Your Stress Level is Sky-High.
  • You Always Have a Cold.
  • You Have Lots of Tummy Troubles.
  • Your Wounds Are Slow to Heal.
  • You Have Frequent Infections.
  • You Feel Tired All the Time.

Which blood type has the strongest immune system?

Blood group type O has the strongest immune system because people with this blood type have a lower risk of getting immunodeficiencies as their immunity is much stronger than others. 

Signs of the strong immune system

  1. You recover well from colds and flu
  2. You sleep soundly
  3. You’re up for a laugh
  4. You have good gut health

Herbs to boost the immune system

Here is the list of herbs that have been cited in herbal medical treatment for their immune-boosting abilities. Some of these include:    

  • Ginger: Mucolytic, enhances digestion, kills pathogens, strengthens immunity.
  • Curcumin: Powerful anti-inflammatory and improves immune function.
  • Thyme: An antimicrobial herb, great for the throat and upset stomach.
  • Echinacea: Contains anti-viral properties, especially improving respiratory health.

After having covid, how long are you immune?

For people who recover from COVID-19, immunity to the virus can last for at least 8 months and maybe longer, this means that you are immune for almost 8 months or more than that after having covid.

Immunity can occur naturally after having COVID-19 or from getting the COVID-19 vaccination.

Ways to boost your immune system

Here are five science-based ways to ensure your immune system has everything it needs to function properly, as well as why you shouldn’t rely on supplements to boost your immune system.

Maintain a healthy diet

A healthy diet is a key to a strong immune system. Ensure that you eat plenty of vegetables, fruits, legumes, whole grains, lean protein, and healthy fats. Eating a well-balanced diet is the most reliable way to boost your immune system.

Exercise regularly

Physical activity isn’t just to build muscles and help yourself de-stress; it’s also an important part of supporting a healthy immune system.


Water plays a major role in supporting the immune system of your body. Dehydration sometimes leads to an impaired immune system.

Get plenty of sleep

A person who doesn’t get enough sleep tends to get sick after exposure to viruses. So to give your immune system the best chance to fight infection and illness, it’s important to get enough sleep.

Minimize stress

Having stress suppresses your immune system that increases your chance of infection or illness. Deep breathing, mediation, prayer, exercise, and everyday activities can help you minimize your stress.\

Here are a few articles to check out:


Several lifestyle changes can have an impact on your immunization needs. For example, traveling overseas to certain places, planning a family, sexual activity, sports activity may benefit from additional and more frequent immunizations.

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