Transmission is facilitated by close proximity, prolonged contact, and frequency of contacts. So, the longer the time you spend with an infected person and the larger the gathering, the higher the risk is. (3/n) (https://t.co/h6KQ0pS9aM\) pic.twitter.com/BEXhX7jjYP

— Muge Cevik (@mugecevik) January 11, 2021