Moderna says a third booster shot will "likely be necessary" according to the New York Times.During an earnings call, Moderna seemed to admit that their COVID-19 vaccine only lasts for 6 months, adding that a third “booster” shot will “likely be necessary” due to the Delta variant, which experts have compared to hay fever or the common cold.Moderna released a statement on Thursday claiming that their COVID-19 vaccine effectiveness “does not wane in the first 6 months after the second dose,” reported the New York Times. However, Moderna appeared to change their tune during an earnings call shortly after, claiming...