Dr. Yong Phuworawan Head of the center specializing in clinical virology Faculty of Medicine Chulalongkorn University Post a message via private Facebook, stating that the symptoms of COVID-19 changed from the original During the three-year period of the COVID-19 outbreak The symptoms of the disease have changed as follows:
1. From the study during the outbreak of delta and omikron species. In the latter, the incubation period for the disease has been shortened to about 3 days.
2. From the beginning of the Wuhan breed outbreak When radiographs are given to the lungs, melasma can often be found. or has a high rate of lung depression causing pneumonia But at present the lung reduction is reduced. or less severity of the disease
3.In the past, the symptoms of the nose did not smell and the tongue did not taste it was very common, but nowadays such symptoms are very rare.
4. Originally found to have a fever often. Therefore, the principle of temperature monitoring is used. screening in various locations but currently not available Because the fever lasts for 1-2 days and many patients have aches and pains but no fever.
The main symptoms at the moment are sore throat, like something cut, and coughing, which is an important symptom of throat inflammation.
6. Contact or spread of infection occurs easily. And it’s attached to the whole family. At first, most patients are adults. but later Children will have fewer symptoms and can spread the disease more.
7. The disease outbreak tends to follow seasonal flu. in the northern hemisphere such as Europe and America There will be a lot of outbreaks from November to March, which is the winter season. While the southern hemisphere, Australia, New Zealand will have a lot of outbreaks in winter as well. Between June-September
For Thailand is a tropical country. no definite winter Outbreaks can be found throughout the year. But most outbreaks occur in the rainy season. During the months of June-Sept. as well as the southern hemisphere And there will be another outbreak, but not much, in January-March, which is different from the first episode of the Covid-19 outbreak. non-seasonal
8. Covid-19 virus There are strains of change, just like influenza. This makes the trend in the future when infected will be able to infect again. But the symptoms of the disease tend to decrease. The importance is therefore in high-risk groups, such as 608 (elderly 60 years and over, chronic disease patients. and pregnant women)
However, the vaccine used must match the strain that is expected to cause the outbreak. like the flu And must be vaccinated before the outbreak, such as in April-May, the group that should be vaccinated the most is 608 and young children.