The suspicion might go back a long time, but the PR campaign is relatively new, at least at the current level. I do remember the occasional story a few years ago, but not this barrage of articles.
i don't watch tv anymore due to the excessive 'spin' and sometimes straight out lies. usually they start off by saying "allegedly" and by the time they're done you'd think it's one of Newton's laws of motion
While 5G may be a new front in this battle, US suspicion of Huawei goes back a long time -- at least as far back as the Bush administration. The current administration might be antagonistic toward China, but in no sense did they invent the war against Huawei.