Chinanews, April 1st. According to real-time statistics from Johns Hopkins University in the United States, as of 7:26 on April 1, Beijing time, the cumulative number of confirmed cases of the new crown in the United States has exceeded 30.45 million and more than 55.2. Million cases.

　　At present, more than 12,000 cases of mutated new coronavirus have been confirmed across the United States. Although the epidemic is still raging, many states have begun to relax their epidemic prevention measures. To this end, the White House appeals to local governors and mayors to restore mask orders; in terms of vaccination In the United States, more than one-sixth of the population has completed vaccination.

Data map: The United States under the epidemic.

Photo by China News Agency reporter Wang Fan

Over 12,000 cases of mutated virus infection

The White House: Please restore the mask order

　　At present, the situation of the epidemic in the United States is still not optimistic.

According to data released by the Centers for Disease Control and Prevention (CDC) recently, more than 12,000 cases of mutant virus infections found in the United Kingdom, South Africa and Brazil have been found in the United States. The vast majority of these (11,569 cases) are the first The B.1.1.7 variant found in the UK.

　　CDC data pointed out that the variant has been found in 49 states and Washington, DC, of ​​which California, Florida, and Michigan have the largest number of infections with the variant virus.

The CDC also warned that the number of detected cases was obtained through analysis of positive samples, and the actual number may not match it.

　　Nevertheless, Texas, Arkansas and other states have cancelled a series of epidemic prevention measures, including mask orders.

In response, Slavett, a senior adviser to the White House, urged state governors, mayors and local leaders to maintain or restore the mask order on March 31, local time, to "save lives."

　　Slavitt said, “We need to reduce the number of cases so that we can save lives and give people the opportunity to vaccinate in April, May and June so that we can enter the summer on the strongest basis possible.”

Data map: A mass vaccination station set up at Oakland Stadium, California, USA.

Photo by China News Agency reporter Liu Guanguan

One-sixth of the U.S. population completes vaccination

Study: Pfizer vaccine is 100% effective for people aged 12 to 15

　　In terms of vaccination, according to data from the United States Disease Control, nearly 55 million people in the United States have now completed vaccination, accounting for about one-sixth of the country's population.

At the same time, more than 97 million people have received at least one dose of the vaccine, accounting for about 29% of the total population.

　　On March 31, local time, the White House announced that it would add three new mass vaccination sites in Tennessee, Wisconsin and Maryland. White House senior adviser Slavitt said that these vaccination sites can receive 3,000 doses of vaccine per day. It is scheduled to open next week.

　　At the same time, the National Institutes of Health said on March 31 that Modena had begun clinical trials of a variant-specific vaccine designed to prevent the B.1.351 variant first discovered in South Africa.

　　As part of the first phase of the trial, the first injection has been carried out in the Atlanta, Cincinnati, Nashville and Seattle areas.

The goal of the trial is to recruit about 210 trial participants, who must be people who have received Modena's initial vaccine or have not yet been vaccinated.

　　On the other hand, since vaccination in the United States is not yet open to all ages, clinical trials for some populations are still in progress.

Pfizer said on March 31 that the results of clinical trials on children aged 12 to 15 showed that the effectiveness of the Pfizer vaccine was 100% and there were no obvious side effects.

Pfizer plans to submit data to the U.S. Food and Drug Administration (FDA) as soon as possible to expand the age range for emergency use of Pfizer vaccines.

　　In response, Hotz, deputy director of the Vaccine Development Center at Texas Children’s Hospital, said, “By the fall, I think we are likely to be able to vaccinate young people over 12 years of age. This is a challenge for teachers and staff in middle and high schools. good news."