Bacterial and viral infections can cause tonsillitis. A common cause is Streptococcus (strep) bacteria. Other common causes include: 1  Adenoviruses. 2  Influenza virus. 3  Epstein-Barr virus.4  Parainfluenza viruses. 5  Enteroviruses. 6  Herpes simplex virus.he main symptoms of tonsillitis are inflammation and swelling of the tonsils, sometimes severe enough to block the airways. Other symptoms include: 1  Throat pain or tenderness. 2  Redness of the tonsils. 3  A white or yellow coating on the tonsils. 4  Painful blisters or ulcers on the throat.
Language in Laos. The official language of Laos is Lao, a tonal language closely related to Thai. Thanks to ubiquitous Thai broadcast media most Lao understand Thai fairly well, but it's worth learning a few basic expressions in Lao.
Laos, officially known as the Lao Peopleâs Democratic Republic (Lao PDR), is one of the poorest nations in Southeast Asia. A mountainous and landlocked country, Laos borders with Vietnam to the east, Cambodia to the south, Thailand to the west, and Myanmar and China to the north. Its capital is Vientiane. While nearby Thailand, Vietnam and Cambodia have a developed tourist economy, Laos has strangely been forgotten.