Head Cold Symptoms 2024 Reddit. Since then no nausea unless i have coffee or anything besides water in the morning. But some clinicians are reporting among the most common first signs of an infection by jn.1 are diarrhoea or a headache.

But some clinicians are reporting among the most common first signs of an infection by jn.1 are diarrhoea or a headache. All of them can start with symptoms that feel like a “head cold.”.