First of all, this novel coronavirus vaccine has some negative news, so people don't trust it:
Many new coronavirus vaccines have been developed. Therefore, all countries in the world are actively preparing and vaccinating their own people. In this case, Johnson & Johnson COVID-19 vaccine is naturally one of the first choices, and it has been used in various regions of the United States. However, in recent days, some media have continuously released Johnson & Johnson COVID-19 vaccine, and some very negative information has caused many Americans to worry that under such circumstances, vaccination in COVID-19 will be forced to slow down. Therefore, under such pressure, the U.S. government was forced to suspend the vaccination of Johnson & Johnson COVID-19, which was also to calm people's mood, and hoped that everyone would actively vaccinate other vaccines. Of course, for the American people, they also have doubts about other vaccines, so the overall vaccination situation in the United States is not very optimistic now, which is also an important reason for the suspension of Johnson & Johnson COVID-19 vaccine.
Second, Johnson & Johnson COVID-19 vaccine seems to be harmful to the elderly, so the United States was forced to stop vaccination:
Johnson & Johnson COVID-19 vaccine seems to be harmful to the elderly. Recently, it was reported that some elderly people were vaccinated with Johnson & Johnson COVID-19 vaccine, and then there were some very uncomfortable situations. In this case, the U.S. government was forced to suspend the vaccination of Johnson & Johnson COVID-19 and start a comprehensive investigation. In this case, Johnson & Johnson COVID-19 vaccine naturally had to stop, which is also a helpless move. After all, a vaccine, if it has safety problems, will naturally be suspected by the public, let alone participate in vaccination.
Third, the challenge of Johnson & Johnson COVID-19 vaccine in other countries is also an important factor:
Johnson & Johnson COVID-19 vaccine has also been questioned in other countries. For example, Johnson & Johnson COVID-19 vaccine appeared in some European countries, and there were some problems after vaccination. Some babies or some elderly people have health problems, thus forming a negative message of Johnson & Johnson COVID-19 vaccine in the United States. Under such circumstances, it is normal for the US government to be forced to stop vaccination in COVID-19, and it is very likely that this vaccine will disappear completely in the world in the future, because not only the US, but actually all parts of the world have doubts about Johnson & Johnson COVID-19 vaccine.