Symptoms of COVID-19 include fever, shortness of breath, and lower respiratory distress, and may appear 2-14 days after exposure. For more on keeping yourself and your loved ones healthy, visit the Maine CDC. COVID-19 Testing. Free testing for COVID-19 is widely available in Maine. Coronavirus (COVID-19) SAMHSA recognizes the challenges posed by COVID-19 and is providing the following guidance and resources to assist individuals, providers, communities and states. SAMHSA stands ready to assist in any manner possible. Persons who are unvaccinated or have only been vaccinated for 1 dose are more than 10 times more likely to die from COVID-19 infection than those who have vaccinated for two or three doses. Starting from 15 July 2022, infected persons undergoing home isolation will be required to put on electronic wristbands. While existing coronavirus vaccines continue to provide good protection against hospitalization and death, vaccine effectiveness has taken a hit as the virus has evolved. European Union officials plan to use bivalent shots in their autumn vaccination campaign, with most cases in the region now linked to the BA.5 variant.