What does "patient zero" mean? Why does WHO say it is not necessarily from Wuhan?

What does patient zero mean in COVID-19? ? Patient zero? Usually refers to the first person who has an infectious disease and started to spread the virus.

So as the name implies, COVID-19? Patient zero? Was the first person to own it. COVID-19? Marked? The first case? . But what needs our attention is, this? Patient zero? This is not the first person to get sick. The first person who got sick was also called Yes? Patient number one and this Patient zero? , probably just patients with COVID-19 virus, they may not get sick. so this is it？ Patient zero? With what? The first patient was different.

So what? Patient zero? Why is it important because if we can find it accurately? Patient zero? Then, medical experts can quickly and accurately confirm the source of the virus and how to spread it, so as to take the most effective prevention and control measures in time, which can not only stop the development of the epidemic, but also study all the information of the virus in a targeted manner and make effective control drugs and vaccines.

Take COVID-19 as an example. What if we find it? Patient zero? From the patient's point of view, it will be easier to judge whether the source of COVID-19 is a wild animal, and what kind of wild animal it is, so as to better judge how to prevent and treat it.

So how should we deal with the new epidemic? First of all, the epidemic may be repeated after the weather turns cold in the second half of the year. However, because we experienced the COVID-19 epidemic in the first half of the year, both the medical staff and each of us had a very high response, so the epidemic did not spread well on a large scale. In addition, at present, domestic control is good, and foreigners also have a quarantine period of 14 days, so there will be no big source of infection. So as long as we protect ourselves, wash our hands frequently, wear masks, pay attention to personal hygiene, avoid eating cold food and go to crowded places less, we can face and prevent new epidemics.

Finally, we should trust our country and angels in white. With them, we will be safe.