Signs and symptoms. The majority of HPV infections do not cause symptoms or disease and resolve spontaneously. However, persistent infection with specific types of HPV (most frequently types 16 and 18) may lead to precancerous lesions.
1. Tokyo, Japan: Tokyo tops the list and remains the world's largest city with 38 million dwellers. Though the UN has predicted a decline in the city's population, it will still remain the world's most populous city in 2030 with 37 million inhabitants. 2. Delhi, India: With 25 million, the Indian capital is the second-most populated city in the world.
Manila is the capital and second-largest city of the Philippines and one of 16 cities that comprise Metro Manila with an overall population estimated at 12 million in 2014. Manila itself has a population estimated at 1.71 million in 2014. Manila is the world's most densely populated city with 66,140 people per square kilometer, or 171,300 people per square kilometer. The Metro Manila population is estimated at 12 million but the larger urban area has a population estimated at 21.3 million.