How long can the protective effect of the new coronavirus vaccine last? With the first group of vaccinated people nearly four months after the initial vaccination, this issue has become more and more important.
In short, the answer is: we haven’t fully figured it out yet. But more and more data are providing us with clues in this regard. The following is what we have so far.
##How long is the protection period of the vaccine?
Herd immunity(Group Immunity) is the goal and reason for all countries to promote vaccination against the new coronavirus pneumonia. The United States is also one of the countries that are most actively striving toward this goal. However, the New York Times reported on the opinions of experts on May 3 that “the United States may not be able to achieve the goal of herd immunity.”
More than half of the adults in the United States have been vaccinated at least once, but scientists and public health experts generally believe that the United States will not be able to meet herd immunity standards at least in the near future.
As soon as the new coronavirus pneumonia epidemic appeared, it spread rapidly in various countries around the world. At present, there are still many countries in the world that are still suffering from severe epidemics. The number of newly diagnosed people in the United States, India, Brazil and other countries can still reach tens of thousands, while the cumulative number of confirmed diagnoses worldwide has reached 130 million, which is still difficult to control abroad.
According to the latest real-time statistics of the World Health Organization, as of 15:09 on February 27, Central European time, there were a total of 113 million confirmed cases of COVID-19 worldwide and a total of 2512272 deaths. On the 27th, there were 420,491 new confirmed cases of COVID-19 worldwide, and 10,939 new deaths.
Pandemic Latest Update: The Spanish National Bureau of Statistics shows that the number of people who have died of new coronavirus pneumonia in the country has exceeded 100,000 According to recent reports from Spanish media, on February 24 local time, Spanish Prime Minister Sanchez stated in a report in the House of Representatives that since the outbreak of the new coronavirus pneumonia in the country, the number of new coronavirus pneumonia deaths was 68,079.
On December 23, the Secretary of Health of the United Kingdom stated that a new mutant coronavirus was found in two cases of infected people in the eastern part of England, which seems to be more diverse than the previous mutant virus. The two cases of infection are related to the recent travel to South Africa, which caused the level of prevention and control in the capital London to rise from the third level to the fourth level.
The British government approved the new coronavirus vaccine jointly developed by Pfizer and BioNTech of Germany. The UK became the first country in the world to approve this vaccine.
According to the British Broadcasting Corporation (BBC) and the “Guardian” reported on December 2nd, the vaccine will start next week, the first to be vaccinated for high-risk groups. The UK has previously ordered 40 million doses of this vaccine.
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Coronavirus: US Will Start Vaccination in Two Weeks
The number of deaths in the United States has reached the highest level in six months. In response to the rapidly rising number of new Coronavirus infections, senior US health officials announced on December 1, 2020 that Americans would be vaccinated against the new Coronavirus as early as mid-December.
Moncef Slaoui, the chief consultant of the US government‚Äôs Operation Warp Speed ‚Äč‚Äčproject and a former executive of GlaxoSmithKline Pharmaceuticals, said that by the end of 2020, 20 million Americans will be vaccinated , And by mid-2021, most Americans will be able to receive highly effective vaccines.
In November, the number of confirmed cases of new coronavirus pneumonia in the United States exceeded 4 million, a record high in a single month. However, in this case, there are still many Americans who do not believe that the new coronavirus is real.
Recently, the American “Washington Post” reporter Jacqueline spoke publicly about her illness and recovery process. She said that people do not believe in the existence of the new coronavirus.
US CDC: Early novel coronavirus cases found in the United States
According to the Wall Street Journal of the United States, a government study released by US CDC scientists on November 30 showed that as early as mid-December 2019, the novel coronavirus appeared in the United States, which is earlier than the official discovery of the novel coronavirus in China. A few weeks, one month before the first confirmed case in the United States was discovered by the US public health department.
Viruses Shape the Human World
Humans believed that they were at the top of the food chain, so the saber-toothed tiger became extinct, the New Zealand Moa disappeared, and the number of endangered giant animals is endless. However, the new coronavirus tells humans that they themselves will become prey one day. Many modern infectious diseases are caused by viruses, including new coronary pneumonia and AIDS, as well as the flu that broke out from 1918 to 1920.