3 ms·
No, but flu is the only one that evolves so quickly that we need a new shot every year.
by Wowfunhappy 5y ago
No, but flu is the only one that evolves so quickly that we need a new shot every year.
- ethbr0 5y agoCoronaviruses give people colds too, they just weren't as widespread or symptomatic as influenza. Now, they probably will be.