Different Symptoms for COVID, Flu, and Allergies | Penguin Health

Corona virus or COVID is a virus that causes illness such as common cold, severe acute and etc. COVID was outreached in September 2019 for the first time in china. Some experts have claimed that COVID is known as severe acute respiratory syndrome. COVID had brought severe problems that resulted in shutting down business activities, people were forced to sit home and social interaction was prohibited. The virus was so deadly that it caused millions of deaths and governments of every country tried hard to prevent the damages.

COVID-19 is a severe virus and it attacks our immune system.  The expert researchers have claimed that symptoms of COVID might start appearing within 2-14 days. Many people have common questions about symptoms of COVID . Below are the highly asked questions about COVID symptoms

  • Is sneezing a symptom of COVID?
  • Is congestion a sign of COVID.

Several researches have been done on COVID and the possible symptoms have been shared that are

  • Fever
  • Tiredness
  • Loss of taste and smell
  • Cough
  • Sore through
  • Fatigue
  • Vomiting

Above are the common symptoms of COVID, however some other symptoms might include pain in joints, muscle pain, etc.  The experts have indicated that you must call for an appointment if you are having allergies or flu, as it might lead to COVID, claimed by different studies. When COVID prevailed, there was not a prominent treatment but surgical masks were recommended by the doctors. As COVID used to transfer from one person to another through breathing. Therefore, surgical Masks were recommended as an emergency treatment, and it was instructed to maintain  6 feet distance.


FLU and Allergies

Flu and allergies are also dangerous for our health as both of them attack on our respiratory system that causes difficulties in breathing. Flu and allergies are caused due to several viruses. However, some experts have claimed that allergies and flu are not the same and there are significant differences. These experts further add that, if you are allergic and breathing in pollen or pet dander, your immune cells might overreact and your respiratory tissues might be affected. Another significant difference in flu and allergy is the time period. Allergy lasts longer than flu, a flu might last for 5-7 days while allergy can stand for 5-6 months, depending on the immune system of the patient.


Flu, and Allergies Leads to COVID

Does Flu and allergies lead to COVID, is a highly asked question these days. Well, there are multiple claims and opinions of the experts about the question. Some experts have believed flu directly leads to COVID as many symptoms are the same in the case of COVID and flu. While another group has indicated that COVID is a deadly virus and it does not depend on flu or allergy, you could be affected with COVID due to staying close with people.

Though COVID shares many similarities with flu and allergies. However, there are lots of differences as well.

Time Period 2-14 days 1-4 days
fever fever
cough cough
fatigue fatigue
body pain
sore throat


COVID vs allergies

Same is the case when it comes to COVID vs allergies. There are some symptoms which are the same in COVID and allergies however, both are different in their timings and precautions.

Below are the differences


Lack of Immunity

COVID-19 is the cause of a new type of COVID, still the exact causes and reasons are unknown after several researches. Unlike seasonal flu and allergies, the population doesn’t have much. Moreover, it is also not clear that an individual infected with COVID might infect again or not. Whereas flu and allergies are common and you will suffer from flu allergies again and again.



Researchers have claimed that COVID-19 is deadly and severe as compared to flu and allergies. Another study was published and it concluded that almost 25% of patients with COVID-19 had to be hospitalized. However, there are millions of cases for the flu and allergies, but fewer of them had to be hospitalized. When it comes to mortality due to COVID, the exact rate varies. Because the calculation depends on various factors such as age and location. A research was conducted in Italy and it was concluded that a quarter of the population is 50 or older, so the overall rate is almost 7. Here the rates are higher as compared to flu and allergies.

Still if you have a question, is sneezing a symptom of COVID? Then the answer is no. There are different symptoms of COVID and the treatment is also not the same.


Transmission Rate

Although researchers are working day and night to find out the real difference between the symptoms of COVID flu and allergies, they are sure of the fact that the reproductive number of COVID-19 is much higher as compared to flu and allergies.

RO is the total number of infections which are produced from a single infected individual. The COVID RO is 2.2 as per the research and the rate for flu and allergies is near to 1 or 1.2%.

It means that an individual, infected from COVID-19 may transmit the germs into another person with more percentage as compared to allergies or flu.



Several vaccinations and medicines are available for flu and allergies and these are updated every year. Moreover, there are many antiviral medications are available for the treatment of flu and allergies, if given on time, then flu can be treated

However, the scenario is different when it comes to COVID-19. There are no tested or approved vaccinations available for the treatment of COVID and use of surgical masks is the ideal way to stay safe from COVID-19. Moreover, there are no particular medicines for COVID-19 and researchers are putting their efforts to make a full proof medicine.


Flu can protect from COVID-19

The medical studies have indicated that flu, allergies and COVID-19 are from different families and yet there is no evidence of the fact that flu protects from COVID-19. However, you must receive a flu shot every year to stay protected from flu.

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