COVID-19 vaccines have helped protect us. While we still have good protection against severe illness, a booster dose produces more antibodies that can help to strengthen our immune response. Find more information about the booster dose here: Canada.ca/covid-vaccine https://bit.ly/3Bu4R3W

#coronavirus #COVID19 #coronavirusvaccines Dr. Owais Durrani, Emergency Medicine Resident Physician at UT Health San Antonio, joins Yahoo Finance to discuss COVID-19 immunity and the potential need for booster shots. Watch the 2021 Berkshire Hathaway Annual Shareholders Meeting on YouTube: Subscribe…