An increasing number of Americans are not receiving their second prescribed dose of the COVID-19 vaccine, According to preliminary data from the Centers for Disease Control and Prevention (CDC) in the United States.

Data show that in April About 8% of Americans skip the second injectionIt is necessary to consider immunization complete. Compared to 3.4% in March.

Vaccines Pfizer / Bioetec s modern, Two of the three applied by the United States require Two doses, Administered three and four weeks, respectively. The vaccine Johnson & JohnsonAnd the third to be administered in the country, It is the only one that requires a single dose.

However, the authorities cautioned against this The data is not finalEither because of the delays being reported, or because people had used the two doses in two different places.

“If a person received the two doses from different reporting entities, the two doses may not be linked.” A CDC spokesman said. For example, if a person received their first dose in a state-run clinic and the second dose in a community health clinic, It is possible that they are not related and it may appear that the second dose was missed. “

Additionally, authorities believe that a slight decrease in the use of the second doses is normal with the multiple dose vaccines.

He said: “It is clear that as long as you have a two-dose vaccine, there will be people for one reason or another (comfort, forgetfulness, various other things) who will not attend the second vaccine.” CNN Anthony FauciDirector of the National Institute of Allergy and Infectious Diseases. “I’d like it to be 0%, but I’m not surprised that there are some people who do. “

Until now, 229 million people have received at least one dose in the United States, 42.2% of the population, According to data from the CDC. who is this, 95 million peopleApproximately 28.5% of the population, they were Fully vaccinate it.

Moderna announces its partnership with Sanofi

The US vaccination campaign could get a further boost after the pharmaceutical company modern It will be announced on Monday that he has reached an agreement with the French Sanofi To help you fill in, finish and fill even 200 million doses of your COVID-19 vaccine In the United States starting in September.

According to a joint statement, Sanofi will benefit from the production infrastructures it has built at its headquarters in Ridgefield, In New Jersey, to help produce the Moderna vaccine, although financial details of the collaboration were not disclosed.

A Sanofi spokesperson said the final doses of the Moderna vaccine It will be used in the United States based on an agreement that expires in April 2022.

Added to this is that The United States has resumed vaccination with Johnson & Johnson After an eleven-day hiatus when deemed safe, following an analysis. immediately, At least twenty countries began applying it again.

To date, the United States has provided 8 million Johnson & Johnson vaccinesThis compares to the more than 118 million units of Pfizer and the 98 million Moderna units supplied in the country since the vaccination campaign began in December.

Administer this serum It was paused in the United States on April 13, after six cases of brain clots were detected in women under the age of 48 who received the vaccine, and one of them died.

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