The novel coronavirus pandemic has brought “herd immunity” to the public consciousness, kindling hope the phenomenon can help slow or even end the outbreak.
Natural infection vs vaccination
Balancing vaccine distribution
A Syrian man rides a bicycle past a mural painted as part of an awareness campaign by the United Nations International Children's Emergency Fund (UNICEF) and World Health Organization (WHO) initiative on coronavirus in Qamishli, Syria, August 16, 2020. (AFP)