OHA Encourages 2nd Monkeypox Vaccine

oregon health authority

Oregon public health officials are encouraging people who received the first dose of the vaccine against monkeypox virus (hMPXV) to get their second dose as soon after they are eligible as possible.

Oregon Health Authority (OHA) figures show that, as of Monday, Oct. 17, 14,672 doses of the Jynneos vaccine have been given to people in Oregon. That includes 10,278 people who have received at least one dose; of those who received at least one dose, 4,332 have completed the two-dose series.

“Nearly 6,000 people have had one dose and are eligible for the second dose, but they have not gotten it yet,” said Tim Menza, M.D., Ph.D., senior health adviser for OHA’s monkeypox response. “The Centers for Disease Control and Prevention recommends two doses because it’s the best way to build immunity against this virus.”

A first dose starts a person’s protection against monkeypox. Maximum protection comes two weeks after a second dose, which may also increase the length of time a person is protected. Those who received one dose are eligible to get a second dose if it has been at least 28 days since the first dose.

Menza says national data show that people with at least one dose of the vaccine have a 14-fold lower risk of getting monkeypox. This is compared with people who did not get the vaccine at all.

Monkeypox spreads primarily through close skin-to-skin contact. Most commonly during the current outbreak, this has been through intimate or sexual contact. Infection has also occurred during close, skin-to-skin contact with the lesions of an individual with monkeypox through a caregiving relationship, such as a parent caring for a child or an adult caretaker of another person.

Much less often, monkeypox could spread through contact with towels, clothing or other objects that have been in contact with monkeypox lesions. Large respiratory droplets or oral fluids that might come from prolonged face-to-face contact could also transmit the virus, but it is uncommon.

In September, OHA expanded eligibility for the monkeypox vaccine to anyone who anticipates having, or has had recent, direct, skin-to-skin contact with at least one other person, and who knows other people in their social circles or communities who have had monkeypox.

Most people can receive their second dose intradermally, or just under the skin. Those who have gotten their first dose this way may experience discoloration, itchiness, tenderness and swelling at the site of the vaccination. The shot may even leave a small hard bump. These side effects, especially the discoloration and the bump, may last for weeks.

People concerned about these side effects can get the vaccine at a less visible site, such over the upper back or over the shoulder, or in the tissue between the skin and the muscle – also known as subcutaneous. This method is usually given in the back of the arm.

Subcutaneous vaccines are always available for people younger than 18. They are also available to those with a history of scarring or who may be more likely to form severe scars called keloids.

Menza notes that the vaccine may be given before, after or at the same time as most vaccines, including the flu and COVID-19 vaccines. The vaccine is also safe for people with compromised immune systems, pregnant and breastfeeding people, and people with chronic skin conditions.

People who suspect they have monkeypox should contact their health care provider to let them know before going in to be seen. The provider may recommend testing for monkeypox. Those who don’t have a health care provider can call 2-1-1 or their local public health authority to get help finding a clinic or health care provider.

For more information about monkeypox and Oregon’s response to the outbreak, visit OHA’s monkeypox (hMPXV) website. Vaccine clinics can also be searched by ZIP code with a “Monkeypox Vaccine Locator” tool available at https://mpoxvaxmap.org/.

Source: Oregon Health Authority

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