With dengue fever spreading in Southeast Asia and elsewhere, two Japanese manufacturers of household goods have jointly developed a new mosquito spray. It's designed to saturate their wings and ...

Japanese drug maker Earth Corp. has begun collaborating with cosmetics maker Kao Corp. to find a way to prevent mosquito-borne infectious diseases such as dengue fever and malaria. The Tokyo-based ...

But what bug spray should you use? Insect repellent with DEET are safe, yes, even during pregnancy and tend to last the longest. Look for a concentration between 10% and 35%. That's enough for ...