According to FoxNews, passengers are voicing concerns about maskless coughing on flights as summer travel demand rises (source: FoxNews, June 5, 2025). This renewed attention to in-flight health risks has led to heightened volatility in airline stocks, including Delta and United, as investors assess potential impacts on travel demand and sector recovery (source: Yahoo Finance, June 5, 2025). The uncertainty is also rippling into the crypto market, where aviation-related tokens and travel industry DeFi projects have experienced increased trading volume and short-term price fluctuations in response to shifting sentiment (source: CoinMarketCap, June 5, 2025). Traders are watching for further travel advisories or policy changes that could affect both traditional stock and related crypto assets.