Infectious Disease

Thought Bedbugs Were Bad? Try Bedbugs With MRSA

(Updated) The one bright side to having bedbugs — if you wanted to be optimistic about it — has always been that at least the tormenting critters didn’t transmit disease. But now researchers in Vancouver report that they’ve …

Are Cavities Really Contagious?

So much can be communicated in just one kiss — including the bacteria Streptococcus mutans and Streptococcus sobrinus, which flourish on teeth and gums and cause cavities.

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