![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/Y7HF6XIHHHXFTBXJSL3FJEMCSU.jpg?smart=true&auth=b5ffa968371118fb5011cdf83c629de9b24c36aa08bd7a28d51860ede417014a&width=400&height=225)
Plots for Covid-19 victims at Nossa Senhora cemetery in Manaus, Brazil. The country has recorded 500,000 deaths from the disease. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/C2MQ72HVPBNZS3P5SGLNLGQUR4.jpg?smart=true&auth=0b484f0e15bc660ce718364409b2b426906b1a57580d0f243e098b3cc73a17aa&width=400&height=225)
A patient sits on the bed in a Covid-19 ward at the Honorio Delgado Hospital in Arequipa, southern Peru. The country has seen a surge of cases of the Delta strain. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7FERQGGH7JXAGGCXJFHP54B554.jpg?smart=true&auth=7f70c610f8380ecbaf899fec9b0eddfc57ce2071e504d8216fad5503dc205556&width=400&height=225)
A health worker prepares a dose of the Moderna Covid-19 vaccine at the National Secretary of Sports vaccination centre in Asuncion, Paraguay. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/5QW45OQOQQLVZVOXDGSJBKWNB4.jpg?smart=true&auth=33fb02e5a19f912471660c5a3ad54bc6e5f4fd0e6f103c1a9af889977132ab0a&width=400&height=225)
Street performer Keith Sexton receives the Covid-19 vaccine at the Evergreen Market cannabis store in Auburn, Washington State, US. Reuters
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/R3FCJSR4W6RWNL2GCCH3MQWQTA.jpg?smart=true&auth=238a7ab7d1e7257577d947d9db970ad1e890068f376747f289223dd2e3dd2689&width=400&height=225)
Cinemagoers in pedalos watch a film at the open-air Floating Cinema in Berlin, Germany. AP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/GH2EWGHLAQ5B5CVDLLB4KUUTDU.jpg?smart=true&auth=a5dcaa02a76f49436dbaf929925380ed4cb7903f0395470b416b1fad720b09b0&width=400&height=225)
A staff member guides a mock group of athletes to Tokyo's National Stadium during a simulation of the Tokyo 2020 Olympic Games opening and closing ceremonies in Japan's capital. AP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ZKLPP3EKZLYSBBLZXSVKDXADOM.jpg?smart=true&auth=d77e39cf6b245507f0f09c1f2590185ad5d8241857d08ddebaa39fd576437b71&width=400&height=225)
A customer tries a product at Khalidiyah Mall in Abu Dhabi. The city has introduced a Covid-19 green pass system for access to public venues. Victor Besa / The National.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/FEEXZCRDAVO6VUQDW7QRGSDGVU.jpg?smart=true&auth=662ea3dda29537ea863a99217d3dbe23330e481a4899f57633421899b42a56b0&width=400&height=225)
A worker checks the body temperature of shoppers while a visitor uses a hand sanitiser dispenser at Select City Mall, in India's capital New Delhi. The city has eased coronavirus restrictions. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/AQQM7IFJG3N4OITT6ZS7LAJGB4.jpg?smart=true&auth=9f67f6ea67eb29db6f80f6c71e23716bdc23df5496fff876674e94925fb5ee92&width=400&height=225)
A man wears a face mask while selling bread in Kabul, Afghanistan. The country recorded 1,384 new cases in the past 24 hours, and 92 fatalities. EPA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/LCKQEXW6DM54ZKVTRTBLUGG5IY.jpg?smart=true&auth=b841fc40cf8716912c929b3b52cd8d69a2d6ca5aa4d37f8f17e13504493ab21a&width=400&height=225)
A construction worker on the site of a hotel being built in Zhaxigang village, near Nyingchi, in western China's Tibet Autonomous Region. Domestic tourism has boomed during the pandemic. AP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/Y7HF6XIHHHXFTBXJSL3FJEMCSU.jpg?smart=true&auth=b5ffa968371118fb5011cdf83c629de9b24c36aa08bd7a28d51860ede417014a&width=400&height=225)
Plots for Covid-19 victims at Nossa Senhora cemetery in Manaus, Brazil. The country has recorded 500,000 deaths from the disease. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/C2MQ72HVPBNZS3P5SGLNLGQUR4.jpg?smart=true&auth=0b484f0e15bc660ce718364409b2b426906b1a57580d0f243e098b3cc73a17aa&width=400&height=225)
A patient sits on the bed in a Covid-19 ward at the Honorio Delgado Hospital in Arequipa, southern Peru. The country has seen a surge of cases of the Delta strain. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7FERQGGH7JXAGGCXJFHP54B554.jpg?smart=true&auth=7f70c610f8380ecbaf899fec9b0eddfc57ce2071e504d8216fad5503dc205556&width=400&height=225)
A health worker prepares a dose of the Moderna Covid-19 vaccine at the National Secretary of Sports vaccination centre in Asuncion, Paraguay. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/5QW45OQOQQLVZVOXDGSJBKWNB4.jpg?smart=true&auth=33fb02e5a19f912471660c5a3ad54bc6e5f4fd0e6f103c1a9af889977132ab0a&width=400&height=225)
Street performer Keith Sexton receives the Covid-19 vaccine at the Evergreen Market cannabis store in Auburn, Washington State, US. Reuters
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/R3FCJSR4W6RWNL2GCCH3MQWQTA.jpg?smart=true&auth=238a7ab7d1e7257577d947d9db970ad1e890068f376747f289223dd2e3dd2689&width=400&height=225)
Cinemagoers in pedalos watch a film at the open-air Floating Cinema in Berlin, Germany. AP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/GH2EWGHLAQ5B5CVDLLB4KUUTDU.jpg?smart=true&auth=a5dcaa02a76f49436dbaf929925380ed4cb7903f0395470b416b1fad720b09b0&width=400&height=225)
A staff member guides a mock group of athletes to Tokyo's National Stadium during a simulation of the Tokyo 2020 Olympic Games opening and closing ceremonies in Japan's capital. AP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ZKLPP3EKZLYSBBLZXSVKDXADOM.jpg?smart=true&auth=d77e39cf6b245507f0f09c1f2590185ad5d8241857d08ddebaa39fd576437b71&width=400&height=225)
A customer tries a product at Khalidiyah Mall in Abu Dhabi. The city has introduced a Covid-19 green pass system for access to public venues. Victor Besa / The National.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/FEEXZCRDAVO6VUQDW7QRGSDGVU.jpg?smart=true&auth=662ea3dda29537ea863a99217d3dbe23330e481a4899f57633421899b42a56b0&width=400&height=225)
A worker checks the body temperature of shoppers while a visitor uses a hand sanitiser dispenser at Select City Mall, in India's capital New Delhi. The city has eased coronavirus restrictions. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/AQQM7IFJG3N4OITT6ZS7LAJGB4.jpg?smart=true&auth=9f67f6ea67eb29db6f80f6c71e23716bdc23df5496fff876674e94925fb5ee92&width=400&height=225)
A man wears a face mask while selling bread in Kabul, Afghanistan. The country recorded 1,384 new cases in the past 24 hours, and 92 fatalities. EPA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/LCKQEXW6DM54ZKVTRTBLUGG5IY.jpg?smart=true&auth=b841fc40cf8716912c929b3b52cd8d69a2d6ca5aa4d37f8f17e13504493ab21a&width=400&height=225)
A construction worker on the site of a hotel being built in Zhaxigang village, near Nyingchi, in western China's Tibet Autonomous Region. Domestic tourism has boomed during the pandemic. AP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/Y7HF6XIHHHXFTBXJSL3FJEMCSU.jpg?smart=true&auth=b5ffa968371118fb5011cdf83c629de9b24c36aa08bd7a28d51860ede417014a&width=400&height=225)
Plots for Covid-19 victims at Nossa Senhora cemetery in Manaus, Brazil. The country has recorded 500,000 deaths from the disease. AFP
What are the Delta variant symptoms and how do they differ from 'normal' Covid?
Symptoms are closer to a common cold than flu and fever, leading many to shrug it off and continue to unknowingly spread it
![Georgia Tolley](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/https%3A%2F%2Fs3.amazonaws.com%2Farc-authors%2Fthenational%2Ff3e42095-3d71-479b-b708-654b900f94c6.png?smart=true&auth=50c0ed1113bbbca774e9d8de315ef2ec7ac1fef3cc5951aebad68d12b7fb1054&width=70&height=70)
Georgia Tolley
03 August, 2021
- Listen In English
- Listen In Arabic