疫情有关的英语：
“打疫苗” 的英文： Vaccinate v.给..接种疫苗
Influenza vaccine 流感疫苗
Polio vaccine 小儿麻痹疫苗
Chickenpox vaccine 水痘疫苗
Anyone who wants to avoid the flu should consider getting a vaccination。
任何希望避免患流感的人都应该考虑接种疫苗
Herd immunity 群体免疫
Some people believe that we will need to contract COVID-19 for "immunity".
肺炎 pneumonia
确诊病例 confirmed case
疑似病例 suspected case
密切接触者 close contact
疫情防控 epidemic prevention and control
现在是大年初二，拉家常、串门用英文怎么说？
natter 唠嗑；闲聊
have a natter 漫无目的地闲聊
have a long natter 长聊
have a good natter 好好拉家常
eg：
My mother and my uncle had a long natter over coffe
串门 stop by/in 拜访；串门
come by 拜访；串门
look in on someone 串门；顺路拜访
上面三个都有串门的意思；但一般指顺路拜访
eg：
I stopped by her place on my way home yesterday.
drop in/drop by 上门拜访；串门
come round 串门；拜访
eg：
Come round tomrrow and we will play Chiness chess
明天来串串门把，我们一起下象棋。