It's important to note that information regarding COVID-19 and its seroprevalence may change over time as new studies and data emerge. To get the most accurate and up-to-date information on the implications of seroprevalence for future waves of COVID-19, I recommend referring to reliable sources such as the World Health Organization (WHO), the Centers for Disease Control and Prevention (CDC), or other reputable health organizations in your country. They can provide the latest insights and guidance based on scientific research and epidemiological data.