Lyme disease is the most common illness transmitted by ticks

Lyme disease is the most common illness transmitted by ticks

 BERTRAND GUAY

An experimental vaccine for Lyme disease is broadly effective, pharmaceutical companies Pfizer and Valneva announced Monday, however the latter firm's shares fell because the clinical trial did not reach its main goal.

There are currently no approved vaccines to treat Lyme disease -- the world's most common tick-borne illness. 

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.

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