Teladoc Health and Livongo Health investors, in separate special shareholder meetings, overwhelmingly voted in favor of the merger of the two companies. Teladoc revealed this in a press release issued on Thursday, adding that in both cases, more than 99% of voters approved the deal. The merger was announced in August. It will take the form of a share exchange, in which one share of Livongo will be swapped for 0.592 shares of Teladoc and $11.33 in cash; all told, the deal was valued at $18.5 billion.