As with any vaccination there maybe mild reaction symptoms to yellow fever shots like soreness at the injection site, fever and aches. Rarely there are severe allergic responses which need prompt medical attention. Elderly people are considered to have a slightly increased risk of serious side effec...
A bite from this spider might cause mild symptoms, like swelling and redness. However, in North America, only a few spiders have venom that poses significant risks to people, such as the black widow, brown recluse, and possibly the yellow sac spider. See the table below for co...