At a June 8 press conference, Maria Van Kelkhofer, the World Health Organization’s technical director for COVID-19 response, said it was “very rare” for asymptomatic carriers of COVID-19 to spread the virus, which has drawn the ire of public health officials,media CNET reported. After the announcement, Van Kelkhofer said they were “following contacts in countries that track asymptomatic cases, and they have not detected secondary transmission.”
A day later, WHO clarified the statement. Who “doesn’t actually have this answer” as to whether and how often Asymptomatic carriers of COVID-19 transmit the virus, Van Kelkhofer said.
Now, many people are confused about whether asymptomatic carriers can transmit COVID-19. According to early and ongoing studies on COVID-19, it is certain that asymptomatic carriers can spread the disease. The bigger question is how highly contagious these cases are — especially now that the Number of confirmed cases has increased dramatically in the United States after the embargo has been loosened.
Asymptomatic infections can be a serious threat due to the way the virus is transmitted. There is a lot of confusion about what “asymptomatic” really means — partly from the lack of data on asymptomatic COVID-19 carriers, but a large part of it comes from the many different uses of the word “asymptomatic”.
For example, people may be infected with the new coronavirus but do not actually develop symptoms — which means that they never develop symptoms during the process of contracting the virus. Others may be “asymptomatic” during the period of infection to the onwell symptoms. For many viruses, the incubation period is contagious, and we know that COVID-19 is also the same.
Someone may have an incubation period of several days, and if the person does not isolate himself during the incubation period, they may transmit the virus to everyone in close contact with them. Finally, there are some cases of COVID-19 mild illness, in which infected people may experience acute symptoms such as a mild cough, some mild physical pain, or other typical cold symptoms. These people may never know they are infected with COVID-19 because their symptoms are not severe enough to require a check-up, so they will never be diagnosed.
People with mild illness may not feel very ill, so they don’t want to stay at home and work. After all, life doesn’t stop with a common cold — it’s common to be able to perform everyday duties even though they have a mild cold before the epidemic, and many people still operate with that mentality.
“Asymptomatic” is used to describe all of the above, which does not help to determine whether asymptomatic transmission of COVID-19 is important.