Trying to be responsible. Bolt says he has n no sympto. The 34yearold retired sprinter won gold in the last three olympics. He celebrated his 34th birthday on fried with at a party with no masks or social distancing. According to the tally by Johns Hopkins university, around 1,600 cases have been confirmed in jamaica, which has a population of 3 million. But the government has been calling for thorough precautions after a recent spike in cases. Meanwhile, officials confirmed 182 new cases of the virus in tokyo on tuesday. Infections, again, topped 100 after a dip on monday. Over 19,600 people have now tested positive in the city of 14 million. Researchers in japan are emphasizing the importance of thoroughly ventilating rooms to prevent infection. A team from the decon Research Institute used the worlds fastest super computer to study the effectiveness of face masks against viral droplets released by other people sneezing or coughing. They say using a mask made of unwoven fabric can cu