[ad_1]
The weather is cold and hot, the flu is easy to invade.Medicine: It is never late to administer the vaccine udn United News
In early spring, gas was changeable, hot and cold, and Chen Junguang, vice chancellor of the opening clinic, pointed out that similar time can easily cause bacteria, viruses and microorganisms to grow and multiply, making infectious diseases like influenza more widespread.
[ad_2]
Source link