Paul Chaplin, the chief government officer of Bavarian Nordic, which makes the vaccine, mentioned Thursday that analysis exhibits that one dose affords “sturdy safety.” Dr. Bassett, nevertheless, mentioned that full safety from the vaccine would solely come two weeks after the second dose.

New York well being officers mentioned individuals who fall into one in all a number of classes are eligible for the vaccine:

• People with latest publicity to monkeypox throughout the previous 14 days.

• These at excessive danger of a latest publicity to monkeypox, together with members of the homosexual, bisexual, transgender and different communities of males who’ve intercourse with males and who’ve engaged in intimate or skin-to-skin contact with others previously 14 days in areas the place monkeypox is spreading.

• People who’ve had skin-to-skin contact with somebody in a social community experiencing monkeypox exercise, together with males who’ve intercourse with males and who meet companions by an internet web site, digital app or social occasion, corresponding to a bar or celebration.

Partially as a result of the classes are broad, demand for the vaccine is extraordinarily excessive. All 2,500 or so appointments went inside minutes on Wednesday, well being officers mentioned.

Huge frustration at entry to the vaccine spilled over on Wednesday, as folks spent hours not realizing if they’d missed the rollout or if extra doses have been coming.

Eugene Resnick, who works as a spokesman for the Metropolitan Transportation Authority, mentioned he spent 9 hours refreshing the town’s webpage earlier than with the ability to lastly snag an appointment when a second set have been launched simply earlier than 7 p.m.

“I’m pissed off, offended, disillusioned with the Well being Division,” he mentioned. “I’m an insider working within the authorities. I can’t think about it’s in any respect accessible to the common individual not on Twitter.”

Joseph Osmundson, a microbiologist and queer activist serving to to extend entry to the vaccine, mentioned that the town did the fitting factor by opening a clinic in Harlem, along with the one in Chelsea, to provide out the vaccine, however that there needed to be a extra pressing effort to get extra vaccine provide to the town quickly.

“At each stage, there may be such frustration locally,” Mr. Osmundson mentioned. He mentioned folks he is aware of are attempting to watch out however are more and more offended at what they really feel is an absence of urgency to guard the homosexual neighborhood particularly: “We really feel like we’re being left behind after which blamed for the unfold.”