Covid-19 delta variant strain symbol. Doctor hand in blue glove with white card. Concept words ‘Covid-19 delta strain’. Stethoscope. Medical and COVID-19 delta variant strain concept. Copy space.

Covid-19 delta variant strain symbol. Doctor hand in blue glove with white card. Concept words ‘Covid-19 delta strain’. Stethoscope. Medical and COVID-19 delta variant strain concept. Copy space.

Covid-19 delta variant strain symbol. Doctor hand in blue glove with white card. Concept words ‘Covid-19 delta strain’. Stethoscope. Medical and COVID-19 delta variant strain concept. Copy space.