Your cough and runny nose may have only lasted a few days — but COVID’s hidden effects on your little swimmers may impact your unborn children for years to come. Research published earlier this year linked COVID-19 infections to poor sperm quality, including lower sperm count, motility and percentage of “grade A sperms.” But a new study out this month shows that even if you manage to overcome that fertility issue, your coronavirus-tinged genetic material could pass problems onto your offspring.