![A Saudi physician prepares to inject thePfizer-BioNTech vaccine at a coronavirus vaccination centre at Jeddah's old airport. AP](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/IC3UQDNINVXUYJ4SMOAMI4AWUI.jpg?smart=true&auth=5eef4d4da12432b3e24cf16bf77b5d99b51b6f12c08d7cfe39a5264f13330930&width=400&height=225)
A Saudi physician prepares to inject thePfizer-BioNTech vaccine at a coronavirus vaccination centre at Jeddah's old airport. AP
A Saudi physician prepares to inject thePfizer-BioNTech vaccine at a coronavirus vaccination centre at Jeddah's old airport. AP
Vaccines are crucial, but they won't spell the end of Covid-19
The virus reminds us some problems may never fully go away, but we still have to fight them with everything we've got