Children under 6 years old are most at risk for colds, but healthy adults can also expect to have two or three colds a year.
Most people recover from a common cold within a week to 10 days. Symptoms may last longer in people who smoke. If symptoms do not improve, consult your doctor.
Symptoms of a common cold usually appear one to three days after exposure to a cold-causing virus. Signs and symptoms, which may vary from person to person, may include the following:
- Congestion or runny nose
- Sore throat
- Cough
- Congestion
- Mild body aches or headache
- sneezing
- Low fever
- In general, not feeling well (malaise)
In our space, we want to share with you some of these curiosities.
1. By the time you are 75 years old you will have suffered at least 150 colds.
- Different studies have concluded that, typically, each of us suffers between two and five colds a year. If we do the math taking into account the current life expectancy in Mexico, each of us will have suffered at least 166 colds in our lives.
2. The cold virus is not just one!
- Of course not, there are more than 200 viruses that can cause the normal cold. For this reason, the human body never develops resistance to this disease. Among the most common viruses that cause colds are rhinoviruses and coronaviruses.
3. Children can get up to 12 colds in a year!
- Parents can attest to this being so. How many times does a child get a cold, stay well for two days, and return home from school with cold symptoms?
4. A quarter of people with colds experience no symptoms.
- We all know the symptoms of colds; after all, it is one of the most common daily illnesses. However, not all of us knew that some people can be infected by one of the cold viruses and not suffer from coughing, sneezing, or runny nose.
5. A sneeze can reach 60 km per hour!
- The reality is that measuring the speed of sneezing should not be easy, but this is what specialists calculate. In some cases, it is believed that a sneeze can even exceed this speed and the droplets of saliva ejected can fall five meters away!
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6. Everyday disease viruses can survive on various surfaces.
- When we sneeze, we spread the virus around us and it can remain active on different surfaces. For example, the flu virus survives for about 24 hours and the cold virus survives for up to seven days! Do you now understand why it is so important to cover your mouth with your elbow when you sneeze? This way, you avoid infecting others.
7. The flu is continually evolving.
- The flu is one of the daily illnesses that we suffer most often throughout our lives. Surely you know that there are three types of Influenza: A (it is the most virulent and affects humans and birds), B (it is the most common and affects only humans) and C (it is less common and affects humans and animals. ).
- However, new strains of each type of Influenza appear every year. For this reason, vaccines cannot always protect us and we end up getting sick.
8. In the last century, several influenza epidemics have been known
- Nowadays, the flu is a daily disease to which we do not usually pay much attention. However, as we have already seen, it is extremely contagious through saliva and can also cause complications such as pneumonia .
- The Spanish flu lasted from 1918 to 1919 and affected 40% of the world's population. In fact, it claimed the lives of approximately 50 million people around the world. A curiosity? Despite its name, it did not originate in Spain but in the United States.
- The Asian flu originated in China in 1957 due to the mutation of the virus suffered by wild ducks in combination with a human strain.
- The Hong Kong flu left approximately one million dead. Thanks to technological advances, a vaccine was developed that prevented further human losses.
- The 1976 swine flu caused more than 12,000 victims and generated panic among the population, since the virus was similar to that of the great epidemic of 1918.
- Bird flu had its first outbreak in Hong Kong in 1997. The virus was identified as H5N1 and after being controlled, it reappeared in 2003 in Asia and Europe.
