Infection and transmission
Can 1 particle of COVID-19 get you infected?
Can I catch COVID-19 from my pet?
Can I contact the coronavirus disease by touching a surface?
Can someone test negative for the coronavirus but be a carrier?
Can the coronavirus spread through the air?
How contagious is COVID-19?
How does COVID-19 spread?
How long does COVID-19 live on surfaces?
What way are you more likely to catch COVID-19?