(Portland, OR) -- The Oregon Health Authority is encouraging people who received the first monkeypox vaccine to get the second dose. The vaccine becomes most effective two weeks after the second vaccine is given. More than 14-thousand Oregonians have received one dose with 43-hundred people receiving both shots. Nearly six-thousand people have received the first dose and are eligible for the second. The monkeypox vaccine can be given at the same time as a flu or Covid shot.