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You will get a call within 12 Hrs from the time of Booking. *T&C – Free home sample collection is not available on specific tests. Pediatric home sample collection ( kids below 10 years age ) is available at specific cities only

Top 5 Most Contagious Illnesses

Contagious diseases are infectious as well as non-infectious diseases that are transmitted to other people, either through direct contact, indirect contact or through airborne routes.   Most sexually transmitted diseases are deemed contagious due to being spread due person-to-person contact. Lab tests conducted by pathology services can be helpful in determining the existence and extent of certain contagious diseases in the body.

Here are the top 5 most contagious illnesses

  1. Common cold – This is the most highly contagious and the most common infectious disease in humans. This is an infection that has been a common thing since the existence of humanity. The average adult contracts common cold four times a year, while the average child gets it six to eight times.   The contagious nature of the disease comes in the form of inhalation of expelled germs in the mucus present in the air, and transfer of germs from the surface to the nose and eyes.
  2. Influenza – Also known as the flu, this is the second highest contagious illness. The cases can be mild to severe, resulting in nearly five million severe cases around the world. The common symptoms include fever, runny nose, cough, tired muscles, and fatigue.  There can be accompanying symptoms like diarrhea, nausea, and vomiting.  Flu spread by contact and through sneezing and cough
  3. Conjunctivitis – Also known as pink eye, it is the inflammation of the outermost layer of the whitish part of the eye and the inner area of the eyelid. Due to this, the eye begins to look pink or reddish. Conjunctivitis may be accompanied by pain, itchiness, and burning sensation.  The most common causes are viral followed by bacterial infections.
  4. Viral gastroenteritis – This is an extremely contagious disease, caused by eating food or drinking water from contaminated utensils. Two of the common causes of viral gastroenteritis are rotavirus and norovirus.  The symptoms can last anywhere between two and ten days or more.
  5. Strep Throat – It is a highly contagious illness caused by Group A Streptococcus bacteria. It is also referred to as the most common throat infection caused due to bacteria. Some of the symptoms include a sore throat, fever, chills, and nausea, between two and five days of exposure. It is necessary to get timely medical intervention or the condition can lead to complications like scarlet fever, ear infection, and kidney problems.

 Difference between infectious diseases and contagious diseases

Infectious diseases are caused by microorganisms like bacteria and viruses that get into the body and cause problems. Out of these, some infectious diseases are spread from one person to the other; these are known as contagious diseases.  For instance, malaria is not a contagious disease; it is not spread from one to person, neither is it sexual transmitted. But it is infected by a person through the mosquito which carries the parasite called plasmodium.

Contagious diseases like common cold, flu or strep throat are passed from person to person in different ways, either through direct contact or indirect contact.  They can be passed through physical contact like kissing, sex or touching a person; or by coming in contact with airborne germs when the infected person sneezes or coughs.  It can also happen by touching or using something that has been touched by an infected person.

You can prevent contagious diseases by washing your hands well and avoiding contact with the ones who have such diseases.

Do not hesitate to go for diagnostic tests to find out if you have a contagious illness.  A timely lab test can help problems from escalating and getting speedy treatment. Opt for the best diagnostic services for effective treatment.

Book Your Test

* T & C

You will get a call within 12 Hrs from the time of Booking. *T&C – Free home sample collection is not available on specific tests. Pediatric home sample collection ( kids below 10 years age ) is available at specific cities only

Patient Testimonials

“Excellence of Apollo Diagnostics is already a recognized fact across India. Adding more strength to their reputation is their caring nature and supportive attitude. I’ll always prefer to take their services than selecting mediocre quality making any compromise with my health.”

Mr. Shahul Hameed, Chennai

Mrs. Turni, Kolkata

“The way Apollo Diagnostics kept me at ease during the sample collection process, the way they supported me to be at my convenience and confidence is really something I’ll always remember. They were also flawless in maintaining the hygiene. Hats off to them!”

Mr. Laxmi Kantham, Hyderabad

“Awesome is probably the one word to express my views about Apollo Diagnostics. Efficiency, punctuality, compassion, sincerity…I’ll give high marks to them in all of these. Great going, Apollo!”

Shivaraj Kadam, Pune

“Thanks for the seamless service. Based on my experience I can assure that, be it quality or punctuality, Apollo Diagnostics is one name to trust and depend on.”

Mr. Thomas, Mysuru

“Excellent sense of timing! The technician arrived right on time. He was really well-trained, in terms of his skill and manner, as well. Apollo Diagnostics is doing a great job.”

Subbalakshmi, Vizag

“Appreciate the quality of service that I’ve received from Apollo Diagnostics. Their competence, caring nature, sincerity, valuing customer’s time – all these together have shaped them as the most trusted diagnostic service provider in the country.
Keep up the good work!

Mrs. Pravati Dash, Bengaluru

“My mother needed a blood test, but was unable to walk due to pain in her leg. A Phlebotomist from Apollo Diagnostics came home and collected the sample. I was informed, via SMS, that the report could be collected from any of the 3 centres in Dibrugarh, downloaded online or even delivered home for a nominal fee. Although the rates were reasonable, my mother also received a senior citizens discount too! This saved my time, money & energy. My aachhe din really seemed to have arrived! Thank you Apollo Diagnostics and hats off for displaying true professionalism.”

Mr. Alokk Kar Dowerah, Dibrugarh

“Whenever I need to have a blood sample collected from home, I ask for Vasu. He is punctual, courteous and so skilled I hardly feel any pain when he draws the sample. Plus, I truly appreciate how quickly the reports are delivered. Thanks Apollo!”

Mr. Sukumar, Film director, Sriram Nagar, Hyderabad

“Their accurate understanding of customer’s needs is one thing that set them apart and ahead of all others. As a result, it becomes easier for them to deliver the right service, that with their matchless efficiency and care to ensure less pain and easily accomplished sample collection. Apollo Diagnostics is simply doing an amazing job!”

Soundarya Abhirami, Hyderabad

“The overall service standard of Apollo Diagnostics is admirably high. The technician was punctual and well-behaved, and has the genuine skill to collect the test sample without troubling the customer. These are probably some of the major reasons for them to be the best in India.”

Mrs. Lakshmi, Chennai

“The most crucial factor with Apollo Diagnostics is that they always train their Phlebotomists so well that the team consistently remains efficient and punctual and we receive a premium quality diagnostic service. Good job. Keep it up.”

Mr. Amit Kumar Patil, Bengaluru