A publishing and software company employee from Billerica and a high school junior from Norwood are the winners of the second round of Massachusetts’ VaxMillions Giveaway.Residents ages 18 and older who are fully vaccinated prior to each drawing have the opportunity to enter to win one of five $1 million cash prizes. Fully vaccinated residents between 12 and 17 years of age may enter for the chance to win one of five $300,000 scholarship grants.State officials drew the names of winners for the second round Monday and contacted the winners to confirm their eligibility.The second $1 million prize of the sweepstakes was won by Donna McNulty, a longtime employee of a Billerica company who plans to use the money to support her upcoming retirement. “My wife entered the lottery and a couple of days ago they contacted us and we’re, you know, very happy and we’re going to be able to catch up on some bills,” McNulty’s husband, Patrick McNulty, said. The McNulty’s had to keep their win a secret until it was announced on Thursday.”That’s the hardest part, not telling your family and friends. That was the hardest part,” he said. Dylan Barron, a rising junior who is studying automotive at Blue Hills Regional Technical School won the scholarship. He is still making his post-graduation plans. The winners of the first drawing were Darrell Washington, 63, of Weymouth, and Daniela Maldonado, 15, of Chelsea.To be eligible, a person must have been vaccinated in Massachusetts. Eligible residents will be able to enter the giveaway at VaxMillionsGiveaway.com.VaxMillions Giveaway drawings are being held once a week for five weeks beginning July 26 and continue every Monday through Aug. 23.For residents who do not have access to the internet or require assistance, a call center offering 100 languages will be available to assist with registration.Residents who want to make a vaccine appointment should visit mass.gov/COVIDVaccine.Drawing 1: Drawing date: July 26 (Monday)Announcement date: July 29 (Thursday)Drawing 2:Vaccination deadline: July 29 (Thursday)Drawing date: Aug. 2Announcement date: Aug. 5Drawing 3:Vaccination deadline: Aug. 5Drawing date: Aug. 9Announcement date: Aug. 12Drawing 4:Vaccination deadline: Aug. 12Drawing date: Aug. 16Announcement date: Aug. 19Drawing 5:Vaccination deadline: Aug. 19Drawing date: Aug. 23Announcement date: Aug. 26