The White House says 1.6 million monkeypox vaccines will be available by the end of the year.

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About 56,000 doses of Jynneos monkeypox vaccine sent to clinics across the United States right now, with 240,000 more on the way in the coming weeks, the Department of Health and Human Services announced Tuesday.

“While monkeypox poses a minimal risk to most Americans, we are doing our best to offer vaccines to those who are at high risk of contracting the virus,” HHS Secretary Xavier Becerra said in a statement. “This new strategy allows us to maximize the supply of currently available vaccines and reach those most vulnerable to the current outbreak.”

An additional 750,000 doses will be available in the summer, with another half a million doses later this year, according to HHS.

Bavarian Nordic is the only company in the world to have received approval for a smallpox vaccine called Jynneos in the US and Imvanex in Europe, which is also effective against monkeypox.

Bavarian Nordic is the only company in the world to have received approval for a smallpox vaccine called Jynneos in the US and Imvanex in Europe, which is also effective against monkeypox.
(REUTERS/Lukas Barth)

Vaccines will first be made available to those most at risk, including men who have sex with men and those with recent close contact with a monkeypox case.

WHAT TO DO IF YOU HAVE MONKEYPOX: SYMPTOMS, VACCINES AND TREATMENT

New York and Washington D.C. were the first two major cities to start offering monkeypox vaccines in recent days, but health officials they said they were out of stock.

There have been 306 cases of monkeypox in the US since the first case of this year was discovered in Massachusetts last month. California has the largest outbreak with 66 cases, followed by New York with 63 and Illinois with 45, according to the CDC.

This handout illustration from the Centers for Disease Control and Prevention shows the symptoms of one of the first known cases of monkeypox virus on a patient's hand.

This handout illustration from the Centers for Disease Control and Prevention shows the symptoms of one of the first known cases of monkeypox virus on a patient’s hand.
(CDC/Getty Images)

The Jynneos vaccine requires two doses four weeks apart. The US also has 100 million doses of the older ACAM2000 vaccine, but it is not recommended for everyone due to potentially serious side effects.

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The CDC also said on Tuesday that this activation of the operational headquarters in response to the outbreak.

“These actions are opposed to the CDC command center for monitoring and coordinating the monkeypox emergency response and mobilizing additional CDC personnel and resources,” the CDC said.