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You will get a call within 12 Hrs from the time of Booking. *T&C - Free home collection is not available on specific tests & for kids below 10 years age.

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 collection is not available on specific tests & for kids below 10 years age.

Patient Testimonials

“Finding the best place for a diagnostic test is as important as consulting the best doctor. The Apollo name was what guided me to Apollo Diagnostics and I am indeed glad that I came here. From attending us on time to sample collection, everything flowed so smoothly. I was particularly impressed by the hygiene. It was definitely a value for money experience. Thanks a lot Apollo Diagnostics…keep up the good work!”

Mrs. Ferha Jabeen, Old Bowenpally, Secunderabad

“I Have heard a lot of good things about Apollo Diagnostics from our family physician as well as from relatives and friends. So then next time I needed a diagnostic centre, I visited Apollo Diagnostics and I was really glad I did. For one, I didn’t have to wait. The technician was extremely good, and the place was really clean. It was certainly a value for money experience. Great job Apollo Diagnostics!”

Ms. T. Jaya, Nakkalagutta, Hanmakonda

“I must say Apollo Diagnostics places a great value on time and patient comfort! I am a fan of their home collection service which is not only on time and technically sound, but the hygiene and cordiality of the visiting technician is also commendable. Hats off! I’ll continue to recommend Apollo Diagnostics to my family and friends.”

Mr. B. Pochaiah, Mallikarjuna Nagar Colony, Old Bowenpally, Secunderabad

“I have always had a great experience with Apollo Diagnostics. The calls are unfailingly answered. The scheduled appointment is kept to the minute. The phlebotomist is well-trained in both technique and putting the patient at ease. Apollo Diagnostics undoubtedly delivers value for money. They will always be my top option for all the diagnostic needs of my family.”

Mr. Prasanta Kumar Jena, JP Nagar, Bengaluru

“I came to know about Apollo Diagnostics from my relatives and friends. So, when I required a check up to be done, I thought about trying their service once. From sticking to the appointed time to accuracy of technique, it was really a great experience overall. Hygiene of the technician and the centre as well, was also quite admirable. I certainly felt it delivers value for money service. From now on, I’ll always visit Apollo Diagnostics for all my checkups.”

Mr. Venkateshwar Rao, Hanmakonda

“I was looking for a good diagnostic centre to get some checkups done. I was confused as there are so many of them all over the city. Some of my friends recommended Apollo Diagnostics as the best one. I’ll always remain thankful to them. The technician at Apollo Diagnostics was not only punctual but his competency was certainly praiseworthy. I never felt any discomfort as he was so confident and compassionate. Great job Apollo Diagnostics!”

Mr. T Radhakishan Rao, Hanmakonda

“My experience with Apollo Diagnostics has been consistently good. Securing the appointment was very easy and the schedule was maintained to the dot. The behaviour of the technician was pleasant and he was well–versed with his job. The place was noticeably clean and I did not face any discomfort during the process. The reports were delivered as promised and surprisingly, the service was pretty affordable. I would recommend Apollo Diagnostics to my circle without any hesitation!”

Mr. Arif Ameer, JP Nagar, Bengaluru

“Apollo Diagnostics came highly recommended by my friends. I was particularly impressed by their cordiality, time management and process competence. Another must mention is the hygiene factor that is impeccable. Given the quality delivered, this is certainly a value for money experience. Thanks a lot Apollo Diagnostics…keep up the great work!”

Ms. A.Madhavi, Warangal

“Our family physician strictly instructed me to get the checkup done at Apollo Diagnostics. I am glad I respected his opinion. I was attended to as soon as I went in. The technician was a true expert at his job and made it a painless experience for me. I also observed that the centre was spotless and all the staff members were particular about maintaining hygiene. Apollo Diagnostics certainly delivers value for money. I’ll always recommend Apollo Diagnostics to my family and friends.”

Ms. Vimala, Hanmakonda

“My Apollo Diagnostics experience has thus far been truly amazing. Besides unfailingly maintaining the schedule – be it sample taking or report delivery, their sense of cleanliness is also tops. The technicians are well-trained and do their job with diligence and in a friendly manner that puts patients at ease at once. Apollo Diagnostics is setting a very high standard indeed! Now that’s what I call a fine job!”

Ms. G. Jyothi, Warangal