The full name of influenza is influenza, but influenza and common cold are not “family” at all. If influenza is a tiger, then the common cold may be a fly.
Influenza is caused by influenza viruses, and it is most likely to spread in winter and spring. To say that the flu is a “large cold” is actually a misunderstanding. Although flu patients may also have symptoms of fever, headaches, muscle aches, and joint pains, the elderly, children, people with chronic diseases, and people with weak physique are prone to more serious complications if they get flu. In the worst case, they may even die of illness. Therefore, we should not underestimate the flu. We must pay attention to protection at ordinary times. It is best to get vaccinated for the infirm. If people who seem to have a cold have symptoms of breathing difficulties, they should consult a doctor.
The common cold may be caused by more than 200 common viruses or bacteria, and it may develop throughout the year. Symptoms are much milder than flu, mainly nasal congestion, runny nose, cough, sore throat, sneezing, fever, etc. People of normal constitution can generally heal by themselves.
How can I tell if I have the flu?
The common cold actually only infects the upper respiratory tract, so the symptoms are mainly nasal congestion, runny nose, sneezing, watery eyes, dizziness, headache, etc. Some people may also have symptoms such as pharyngitis or tonsil inflammation. Although a cold is uncomfortable, it usually has mild symptoms and may not cause fever. Even if you do not take medicine, you can usually heal itself in 5 to 7 days.
But the flu is different. If you suddenly feel pain and weakness in your legs, itchy throat, or occasional dry cough, you need to be vigilant, and quickly think about whether you have been to crowded places recently and have you been too close to flu patients.
The main symptoms of flu are body aches, accompanied by a fever of 39-40°C, and repeated fever, which usually lasts more than 3 days. In severe cases, it can lead to various complications such as myocarditis, pneumonia, and kidney failure, and in the most severe cases, it can lead to death.
How serious can severe influenza be?
After the flu virus enters the human body (usually through the eyes, nose or mouth), it replicates itself by “hijacking” the human cells in the nose and throat. After a large number of viruses accumulate, it triggers a strong response from the immune system. At this time, the immune system will send a large number of white blood cells, antibodies, and inflammatory cytokines to eliminate external threats. The human immune function is generally able to successfully remove the virus, and the human body will recover within a few days or weeks after infection. But sometimes, severe influenza can also destroy the human lung tissue, causing the lungs to fail to exchange enough oxygen, resulting in hypoxia and death. The severe flu is a bit similar to this new coronary pneumonia, so some people will call this new coronary pneumonia “large flu”. In fact, severe influenza is very close to severe new coronary pneumonia. Both severely damage our lungs and cause respiratory failure.
How can I not spread the flu to my family?
After finding out that I had the flu, I quickly isolate myself. If conditions permit, live alone. If you have to go out, you must wear a mask. Try not to go to crowded places, such as hotels, stations, or you may infect more people.
Will I still get the flu after getting the flu vaccine?
So far, influenza vaccination is still the most effective way to prevent influenza, which can significantly reduce the risk of influenza infection and complications for vaccinators. In most years, the vaccine can be matched with the flu and has good protection. However, there are two points to note: one is that the vaccine may not match the flu, and the effect of vaccination will be affected at this time; the other is that the flu vaccine can only prevent the flu caused by the flu virus, and other diseases, such as vice Influenza viruses and adenoviruses cause symptoms similar to flu, but not flu, so flu vaccines cannot prevent these diseases.