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Chikungunya outbreak, South India, 2006.

Kaur P, Ponniah M, Murhekar MV, Ramachandran V, Ramachandran R, Raju HK, Perumal V, Mishra AC, Gupte MD - Emerging Infect. Dis. (2008)

Bottom Line: We investigated chikungunya outbreaks in South India and observed a high attack rate, particularly among adults and women.Transmission was facilitated by Aedes aegypti mosquitoes in peridomestic water containers, as indicated by a high Breteau index.We recommended vector control measures and health education to promote safe water storage practices.

View Article: PubMed Central - PubMed

Affiliation: National Institute of Epidemiology, Chennai, India.

ABSTRACT
We investigated chikungunya outbreaks in South India and observed a high attack rate, particularly among adults and women. Transmission was facilitated by Aedes aegypti mosquitoes in peridomestic water containers, as indicated by a high Breteau index. We recommended vector control measures and health education to promote safe water storage practices.

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Related in: MedlinePlus

Chikungunya cases by week of the onset, Mallela village, Kadapa district, Andhra Pradesh, India, 2005–2006.
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Related In: Results  -  Collection


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Figure 1: Chikungunya cases by week of the onset, Mallela village, Kadapa district, Andhra Pradesh, India, 2005–2006.

Mentions: Attack rates were higher among persons >15 years of age and females in both settings (Table). In Mallela, cases began occurring during December 2005 and peaked during the first week of March 2006 (Figure 1). In Avadi, cases began occurring during May 2005 and peaked during the third week of June 2006 before declining. In Mallela, attack rates in different areas of the village ranged between 0% and 21%. Neighborhoods where persons of lower socioeconomic status resided in households with a single room and no water storage facility had the lowest attack rates. In contrast, neighborhoods where people lived in pucca houses (houses made with brick and mortar) with plenty of water storage containers had higher attack rates. Both outbreaks occurred during the summer months with temperatures ranging from 30°C to 44°C in Mallela and 27°C and 37°C in Avadi.


Chikungunya outbreak, South India, 2006.

Kaur P, Ponniah M, Murhekar MV, Ramachandran V, Ramachandran R, Raju HK, Perumal V, Mishra AC, Gupte MD - Emerging Infect. Dis. (2008)

Chikungunya cases by week of the onset, Mallela village, Kadapa district, Andhra Pradesh, India, 2005–2006.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC2609883&req=5

Figure 1: Chikungunya cases by week of the onset, Mallela village, Kadapa district, Andhra Pradesh, India, 2005–2006.
Mentions: Attack rates were higher among persons >15 years of age and females in both settings (Table). In Mallela, cases began occurring during December 2005 and peaked during the first week of March 2006 (Figure 1). In Avadi, cases began occurring during May 2005 and peaked during the third week of June 2006 before declining. In Mallela, attack rates in different areas of the village ranged between 0% and 21%. Neighborhoods where persons of lower socioeconomic status resided in households with a single room and no water storage facility had the lowest attack rates. In contrast, neighborhoods where people lived in pucca houses (houses made with brick and mortar) with plenty of water storage containers had higher attack rates. Both outbreaks occurred during the summer months with temperatures ranging from 30°C to 44°C in Mallela and 27°C and 37°C in Avadi.

Bottom Line: We investigated chikungunya outbreaks in South India and observed a high attack rate, particularly among adults and women.Transmission was facilitated by Aedes aegypti mosquitoes in peridomestic water containers, as indicated by a high Breteau index.We recommended vector control measures and health education to promote safe water storage practices.

View Article: PubMed Central - PubMed

Affiliation: National Institute of Epidemiology, Chennai, India.

ABSTRACT
We investigated chikungunya outbreaks in South India and observed a high attack rate, particularly among adults and women. Transmission was facilitated by Aedes aegypti mosquitoes in peridomestic water containers, as indicated by a high Breteau index. We recommended vector control measures and health education to promote safe water storage practices.

Show MeSH
Related in: MedlinePlus