According to @KobeissiLetter, Pfizer (PFE) and Moderna (MRNA) shares fell sharply on reports that US officials are planning to link COVID-19 vaccines to 25 child deaths, prompting a headline-driven selloff in biotech stocks. source: @KobeissiLetter. According to @KobeissiLetter, the post cites the report as the catalyst but does not provide price magnitude, an official statement, or document links, underscoring that the move is headline-led at this time. source: @KobeissiLetter. According to @KobeissiLetter, no direct cryptocurrency impact was mentioned; crypto traders may note the headline while monitoring broader risk sentiment for potential cross-asset effects. source: @KobeissiLetter.